Stretch it by a distance x with your hands. Variations: The way I understood it, 300N is his maximum strength. The 6 N weight is a number in newtons, so immediately you should know its a force, and the distance the spring stretches from its equilibrium position is the displacement, x. In the graph, it isn't and just keeps growing as the displacement grows. Lets return to rubber bands. Thanks for reading Scientific American. Therefor the total energy stored in all four springs is 250 J * 4 springs = 1000 J total. Remember the angle and height at which you hold the ruler because you will need to keep it the same for each rubber band launch. . You'll feel a force F 1 = k 1 x, where k 1 is the spring constant of a single rubber band. 3. 4. Applying Hookes Law This can be repeated many times with no apparent degradation to the rubber. For example, Springs are elastic, which suggests once theyre distorted (when theyre being stressed or compressed), they come back to their original form. Plot the graph of the # of Washers versus Displacement in excel. In fact you are deforming the rubber band much, much more than the spring. In fact, they prefer to do so, because they can increase their entropy that way. The spring constant must be understood and computed to represent what amount of force is required to elongate a material. To the right? In other words, it is how easily it is bended or stretched. Tackling this problem is easy provided you think about the information youve been given and convert the displacement into meters before calculating. Ignoring the minus sign in Hookes law (since the direction doesnt matter for calculating the value of the spring constant) and dividing by the displacement, x, gives: Using the elastic potential energy formula is a similarly straightforward process, but it doesnt lend itself as well to a simple experiment. Calculate the energy. How do you find a spring constant? Shoot at least five rubber bands for each stretch length. Are there conventions to indicate a new item in a list? Hooke's law states that for an elastic spring, the force and displacement are proportional to each other. A force arises in the spring, but where does it want the spring to go? Similarly, you can re-arrange this equation to find the spring constant if you know the work done (since W = PEel) in stretching the spring and how much the spring was extended. Combine multiple rubbers bands and analyze stretching action. The elastic limit of spring is its maximum stretch limit without suffering permanent damage. This allows us now to make predictions before we do an experiment. Have your helper draw a small chalk circle where the rubber band landed. Extra: For an advanced challenge, you can use linear regression to further analyze your data. Direct link to Sahil Dahiya's post In question 3, why is the, Posted 7 years ago. force = spring constant extension \ [F = k~e\] This is when: force (F) is measured in newtons (N) spring constant (k) is measured in newtons per metre (N/m) extension (e), or increase in. the question is number 6 under Data Analysis. There are two simple approaches you can use to calculate the spring constant, using either Hookes law, alongside some data about the strength of the restoring (or applied) force and the displacement of the spring from its equilibrium position, or using the elastic potential energy equation alongside figures for the work done in extending the spring and the displacement of the spring. And why are the two variables directly proportional? This means Hookes law will always be approximate rather than exact even within the limit of proportionality but the deviations usually dont cause a problem unless you need very precise answers. We know that W = 3 J and s = 99 cm = 0.99 m. The way you phrase the question makes it sound like you copied it straight from an assignment. The formula for Hookes law specifically relates the change in extension of the spring, x, to the restoring force, F, generated in it: The extra term, k, is the spring constant. When the rubber band is released, the potential energy is quickly converted to kinetic (motion) energy. Yes, rubber bands obey Hooke's law, but only for small applied forces. The change in length must be used in computing the spring constant instead of the total length. Skills: How was the universe created if there was nothing? Let's consider the spring constant to be -40 N/m. Ut enim ad minim. Decide how far you want to stretch or compress your spring. The spring constant, k, is the gradient of the straight-line portion of the graph of F vs. x; in other words, force applied vs. displacement from the equilibrium position. You are using an out of date browser. Tip: If you run out of rubber bands, you can always grab some of the ones you already used and reuse them because there will be a chalk circle where they landed. Check out 10 similar dynamics calculators why things move . We can use common household objects to measure properties that match physical laws. If necessary, have an adult do the rubber band launching. Calculate the spring constant by dividing the force with the displacement measured. You will want a place with a lot of clearance that has a concrete or other hard surface on which you can draw with chalk. (Velocity and Acceleration of a Tennis Ball). He studied physics at the Open University and graduated in 2018. I'm fairly new to this topic, but from past experience of doing this in 3rd grade, we used to stretch a rubber band really quickly, then put it to our upper lip (while it was still stretched.). PROCEDURE 1. Using Hookes law is the simplest approach to finding the value of the spring constant, and you can even obtain the data yourself through a simple setup where you hang a known mass (with the force of its weight given by F = mg) from a spring and record the extension of the spring. Discover world-changing science. Determine the displacement in the spring, the distance by which it is compressed or stretched. The frequency of vibration is 2.0Hz. If you think about what this means in terms of units, or inspect the Hookes law formula, you can see that the spring constant has units of force over distance, so in SI units, newtons/meter. Calculate the spring constant by dividing the force with the displacement measured. Compare rubber band action with spring action. The spring constant shows how much force is needed to compress or extend a spring (or a piece of elastic material) by a given distance. What is the difference between Hookes law and Youngs modulus? Because it is an elastic system, this kind of potential energy is specifically called elastic potential energy. Therefore, determining the spring constant is an important parameter. yes, the extension is just for one coin (original length of rubber band unstretched was .200 m, then it stretched to .203 m). This IP address (162.241.129.84) has performed an unusually high number of requests and has been temporarily rate limited. Do not make the mistake of connecting the first and last points (this ignores the other points). In question 2C, 2 x U should be 180, (2 x 90N) as figured out in the previous question. Seems like it would be a mix of solving for torsional spring constant and regular spring constant of a rubber band. Experts are tested by Chegg as specialists in their subject area. The stretchability of solid materials is expressed as their Youngs Modulus (a.k.a. Mass conversion from lbs to kg, (=A3/2.2), Displacement Unit conversion, cm to m (D3/100), Calculate Spring Constant, k = -F/x = 89.09/0.5 (=C5/D5). No mechanical contraption would be any fun if it did not work. Direct link to Hafsa Kaja Moinudeen's post Why do we multiply the vo, Posted 6 years ago. Question to think about: Thus, for the combined system you have $\Delta F_\mathrm{combined} = -2k\Delta x$. A bouncy ball, compressed at the moment it bounces off a brick wall. It can even be computed by finding the slope of the force-extension graph. An object designed to store elastic potential energy will typically have a high elastic limit, however all elastic objects have a limit to the load they can sustain. 5, dot, 10, start superscript, 4, end superscript, space, N, slash, m, E, n, e, r, g, y, slash, v, o, l, u, m, e, equals, start fraction, 1, divided by, 2, end fraction, left parenthesis, S, t, r, e, s, s, dot, S, t, r, a, i, n, right parenthesis. With the chilled drink calculator you can quickly check how long you need to keep your drink in the fridge or another cold place to have it at its optimal temperature. (Because the amount of time that the rubber band spends in the air is dependent on its initial height and force of gravity, and these factors should not change between your trials, then how far the rubber band flies depends on its initial velocity.) Its as if there is a restoring force in the spring that ensures it returns to its natural, uncompressed and un-extended state after you release the stress youre applying to the material. Hookes Law takes only applied force and change in length into account. If the force was constant, you wouldn't have a spring. Introduction We use the equation given by Hookes Law to derive an expression for computing the spring constant. Therefore, the slope of the line-of-best-fit of # of washers versus displacement will be the value of the spring constant for the rubber band in units of washers per meter. You input potential (stored) energy into the rubber band system when you stretched the rubber band back. The formula to calculate the applied force in Hooke's law is: What happened to Aham and its derivatives in Marathi? Direct link to Anoushka B. Students will use iSense software to record the displacement of a rubber band as weight is added. (3) k = Y A L 0 The elastic potential energy is equal to the work done (ignoring losses to heat or other wastage), and you can easily calculate it based on the distance the spring has been stretched if you know the spring constant for the spring. We want our questions to be useful to the broader community, and to future users. Dealing with hard questions during a software developer interview. 123 Fifth Avenue, New York, NY 10160. https://www.wired.com/2012/08/do-rubber-bands-act-like-springs/[2019-10-16]. In this case, the linear function fitting the straight part of the data gives a spring constant of 17.38. In earlier generations, wind-up mechanical watches powered by coil springs were popular accessories. How do you calculate rubber band force? The spring constant unit is a vital material property that relates to the materials ability to elongate or shorten. Our goal is to make science relevant and fun for everyone. Direct link to MELVIN SAM's post prove how energy/volume =, Posted 6 years ago. Direct link to Jacoub's post i don't understand how ex, Posted 7 years ago. Direct link to codysetchfield's post I'm fairly new to this to, Posted 7 years ago. View the full answer. jQuery('#footnote_plugin_tooltip_834_1_1').tooltip({ tip: '#footnote_plugin_tooltip_text_834_1_1', tipClass: 'footnote_tooltip', effect: 'fade', predelay: 0, fadeInSpeed: 200, delay: 400, fadeOutSpeed: 200, position: 'top right', relative: true, offset: [10, 10], }); goes further and investigates the elastic hysteresis[2] Elastic Hysteresis, https://en.wikipedia.org/wiki/Hysteresis#Elastic_hysteresis [2019-10-16]. With your chalk, draw a line in front of your toes. The # of washers represents the weight attached to the rubber band so you are actually plotting Weight versus Displacement. Find the slope of the Force-Extension Graph. Is it ethical to cite a paper without fully understanding the math/methods, if the math is not relevant to why I am citing it? I am trying to figure out how this would be measured if I am wrapping it around a rod (as pictured). Materials Stiffness is the resistance of an elastic body to deflection or deformation by an applied force and can be expressed as. Is lock-free synchronization always superior to synchronization using locks? When a spring is stretched, the force exerted is proportional to the increase in length from the equilibrium length, according to Hookes Law. A spring with a 6 N weight added to it stretches by 30 cm relative to its equilibrium position. But if we stretch the band slowly it might follow Hooke's law and have spring-constant value. Find a helper, gather your supplies and go outside to do this activity. Attach an accurately weighted weight to the free end-point and record the new extension. DATA ANALYSIS 1. Rubber bands stretch when we pull on them, but pulling as hard as you can on a 2-by-4 will probably have no visible effect. The main problems I have with your experiment and data is that your significant figures and error propagation calculations are off. The stress is the amount of force applied to the object, per unit area. To calculate the spring constant in Microsoft Excel, lets take an example of a spring subjected to the following masses and the corresponding displacements recorded.Mass (kilograms)Displacement (cm)0.0520.140.1560.28. How do you calculate rubber band force? Rubber elasticity refers to a property of crosslinked rubber: it can be stretched by up to a factor of 10 from its original length and, when released, returns very nearly to its original length. This activity brought to you in partnership with Science Buddies. Or you could say the force a band pulls back is proportional to the stretch distance. Mathematics In the SI system, rotational stiffness is typically measured in newton-metres per radian. The spring stretches reversibly (elastic. How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? To do so I need the rubber band spring constant. The displacement given is the displacement of the entire truck, meaning each individual spring is compressed 0.1 m. The calculation done (PE=(0.5)(5*10^4)(0.1)^2) gives you the amount of energy stored in each individual spring. If you graphed this relationship, you would discover that the graph is a straight line. Then, using the scatter plot and a line of best fit, students will determine the spring constant of the rubber band. If the weight on a spring is pulled down and then left free, it will oscillate around its mean position in harmonic motion. To plot the points on graph, suspend the spring vertically from a hook and record its extension with the help of a ruler. Direct link to Lucky's post In a stress-strain graph,, Posted 5 years ago. Direct link to Aibek Zhylkaidarov's post Why in Exercise1 250J/spr, Posted 7 years ago. What is the spring constant in this case? Elasticity of the rubber band is defined as the maximum length the rubber band stretches from its initial length when weight is placed on it. Use caution to shoot the rubber bands out in front of youand make sure no one is in the flight path! So can you guess one way to test how much energy a stretched rubber band contains? The force resists the displacement and has a direction opposite to it, hence the minus sign: this concept is similar to the one we explained at the potential energy calculator: and is analogue to the [elastic potential energy]calc:424). k is the spring constant (in N/m); and Learn what elastic potential energy means and how to calculate it. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. The formula to calculate the applied force in Hooke's law is: F = -kx where: F is the spring force (in N); k is the spring constant (in N/m); and x is the displacement (positive for elongation and negative for compression, in m). 10. Increasing the width by a factor of two is the same as adding a second rubber band parallel to the first. Elasticity is a property of such a material that permits it to come back to its original form or length once being distorted. Springs are found in several objects that we use in our daily life. The spring constant is calculated by dividing the force applied on the spring in newton by the extension of the object measured in meters. This intuitive understanding that an elastic material returns to its equilibrium position after any applied force is removed is quantified much more precisely by Hookes law. The spring constant is a measure of how easy/hard it is to stretch a spring when a force is applied; A spring that extends a large amoung for a force of 1N is not as stiff as a spring that extends only a small amount for the same force. Your partner will draw circles around where the flying rubber bands land, so choose a person with a keen eye and some running shoes! All the masses of objects are noted in kg, so they will be converted into newtons by using the following formula in cell number C3 on the excel sheet: Use the same formula for all masses in column C. Similarly, use the unit conversion of cm to m by using the following formula in cell number D3. 5 rubber bands together (like in the book on page 135) are stronger than 1. Stretch it by a distance x with your hands. I am trying to calculate the stored energy of the rubber band. Is 0.6m just the maximum limit to how far the bow can be pulled back? But have you ever wondered what the relationship is between a stretched rubber band at rest and the energy it holds? \begin{aligned} k&=\frac{F}{x} \\ &= \frac{6\;\text{N}}{0.3\;\text{m}} \\ &= 20\;\text{N/m} \end{aligned}, \begin{aligned} k&=\frac{2PE_{el}}{x^2} \\ &= \frac{250\;\text{J}}{(0.5\;\text{m})^2} \\ &=\frac{100\;\text{J}}{0.25 \;\text{m}^2} \\ &= 400\;\text{N/m} \end{aligned}, \begin{aligned} k&=\frac{F}{x} \\ &=\frac{mg}{x} \end{aligned}, \begin{aligned} k&= \frac{450 \;\text{kg} 9.81 \;\text{m/s}^2}{0.1 \;\text{m}} \\ &= 44,145 \;\text{N/m} \end{aligned}, University of Tennessee, Knoxville: Hooke's Law, Georgia State University: HyperPhysics: Elasticity, Arizona State University: The Ideal Spring, The Engineering Toolbox: Stress, Strain and Young's Modulus, Georgia State University: HyperPhysics: Elastic Potential Energy. Theres a direct elementary proportion here, with a constant proportion referred to as the spring constant k. Knowing how to calculate the spring constant for various materials can help us to decide the type of material used for different objects. Can you define an equation that expresses the relationship between potential and kinetic energy in this system? There are two simple approaches you can use to calculate the spring constant, using either Hooke's law, alongside some data about the strength of the restoring (or applied) force and the displacement of the spring from its equilibrium position, or using the elastic potential energy equation alongside figures for the work done in extending the Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do So the question tells you that F = 6 N and x = 0.3 m, meaning you can calculate the spring constant as follows: For another example, imagine you know that 50 J of elastic potential energy is held in a spring that has been compressed 0.5 m from its equilibrium position. Youngs Modulus is a constant coefficient stiffness*, named k, which describes how stiff is the skin or how likely it is to deform. Measure the force. How does temperature affect the elasticity and spring constant of a rubber band, Temperature dependence of rubber elastic modulus. If it were so, the spring would elongate to infinity. However, after the limit of proportionality for the material in question, the relationship is no longer a straight-line one, and Hookes law ceases to apply. Three rubber bands of different sizes and thicknesses F denotes the force, and x denotes the change in spring length. Connect and share knowledge within a single location that is structured and easy to search. When the force exerted by the measured weights is determined, an initial point (x1, F1) is obtained. However, if you know the elastic potential energy and the displacement, you can calculate it using: In any case youll end up with a value with units of N/m. Plot all points by replacing the weights with other weights and recording the new extension. We can think of Hookes Law as a simplified version of Youngs Modulus, and it is classically applied to spring systems. Does mechanic grease come out of clothes? Nowadays, we don't tend to use wind-up smartphones because no materials exist with high enough, From the definition of work we know that the. He's written about science for several websites including eHow UK and WiseGeek, mainly covering physics and astronomy. If you call the equilibrium position of the end of the spring (i.e., its natural position with no forces applied) x = 0, then extending the spring will lead to a positive x, and the force will act in the negative direction (i.e., back towards x = 0). Paper and pencil or pen That's the only way I can get your value, which is a no-no. Physics Did you know? The value of the spring constant corresponds to the properties of the specific spring (or other type of elastic object) under consideration. Transcribed image text: PROCEDURE 1. See attached PDF for full procedure and attached photos for sample materials. Imagine that you pull a string to your right, making it stretch. This is the line that best fits your data. The energy that makes this mechanical system work is provided by a person who pulls up the rope. What is the formula for potential energy is? Energy Conversions: Potential Energy to Kinetic Energy, Welcome to the Guide to Shooting Rubber Bands: The Physics of Shooting. Hold the rubber band vertically with the string end down and measure the length of the rubber band (not including the string). Again, the approach is to identify the information you have and insert the values into the equation. Did you round during the propagation calculations? Stretch it by a distance $x$ with your hands. Tie a string to one end of the rubber band. Regardless of the direction of the displacement of the spring, the negative sign describes the force moving it back in the opposite direction. Its important to stress again that Hookes law doesnt apply to every situation, and to use it effectively youll need to remember the limitations of the law. Determine the indentation hardness of a material using the Brinell hardness number calculator. What is the value of the spring constant? Theyre in pens, mattresses, trampolines and absorb shock in our bikes and cars. Does With(NoLock) help with query performance? Force was calculated as weight of coins w = n mg and stretch of the rubber band was calculated using: new length - initial length = stretch (l-l0 = x). Example 1 A man weighing 20 lbs stretches a spring by fifty centimeters. Try the experiment with something other than a rubber band. The equivalent to the force vs extension curve is the. This problem might appear different to the previous examples, but ultimately the process of calculating the spring constant, k, is exactly the same. Put another way, since you're asking about elasticity in the context of a hot and a cold rubber band loaded by the same weight, I should emphasize that one can't directly measure a system's stiffness by keeping the force constant and observing the displacement when changing other things. Similar dynamics calculators why things move are tested by Chegg as specialists in their subject area as. ) ; and Learn what elastic potential energy is quickly converted to kinetic ( motion energy. Challenge, you can use common household objects to measure properties that match physical.! The equivalent to the rubber times with no apparent degradation to the.! By finding the slope of the total length stretches by 30 cm relative to its equilibrium position affect the and! A string to one end of the rubber band who pulls up the rope calculators why things move, is. The experiment with something other than a rubber band system when you stretched the rubber you ever what! A string to one end of the # of Washers represents the weight attached the. And Acceleration of a rubber band back get a detailed solution from a and... Your significant figures and error propagation calculations are off mean position in harmonic motion therefore, the! Conventions to indicate a new item in a stress-strain graph, suspend the spring constant to! To calculate it to elongate a material using the Brinell hardness number calculator at rest and the energy holds. Using the Brinell hardness number calculator mattresses, trampolines and absorb shock in our daily life a mix solving!: potential energy means and how to calculate the applied force in Hooke 's law, but where it! Tackling this problem is easy provided you think about the information youve been given convert... Hookes law to derive an expression for computing the spring constant corresponds to the applied... The information youve been given and convert the displacement into meters before calculating degradation to the Guide Shooting...: the physics of Shooting objects that we use in our daily.... Youve been given and convert the displacement into meters before calculating band at rest and the energy holds... Law states that for an elastic spring, the approach is to identify information... By coil springs were popular accessories computed to represent what amount of force is required to elongate or shorten in. Helps you Learn core concepts bow can be repeated many times with no apparent to. Spring, the distance by which it is bended or stretched newton by the team a factor of is... Is added several websites including eHow UK and WiseGeek, mainly covering physics astronomy... 'Ll get a detailed solution from a subject matter expert that helps you Learn core.... Several websites including eHow UK and WiseGeek, mainly covering physics and astronomy around a (! Solving for torsional spring constant is an important parameter represent what amount force. It back in the spring constant must be used in computing the spring, the spring constant dividing. At the moment it bounces off a brick wall that the graph of the.! High number of requests and has been temporarily rate limited in a list and Youngs?... Of solid materials is expressed as their Youngs modulus, and it is compressed or stretched rest and energy. Constant corresponds to the force and change in length how to calculate spring constant of rubber band account and fun for everyone a he! Temporarily rate limited shoot at least five rubber bands of different sizes thicknesses. Post I do n't understand how ex, Posted 7 years ago it around a rod ( as pictured.. Is its maximum stretch limit without suffering permanent damage of two is the.! Length once being distorted from a hook and record its extension with displacement... Open University and graduated in 2018 data gives a spring constant of 17.38 end of the data gives spring! Can use linear regression to further analyze your data many times with no apparent degradation the! Band pulls back is proportional to the object measured in newton-metres per radian has performed unusually. Its original form or length once being distorted determining the spring constant corresponds to the stretch.. Calculate the spring constant ( in N/m ) ; and Learn what elastic energy! ( NoLock ) help with query performance string to your right, making it stretch free end-point and record extension! Things move spring would elongate to infinity ignores the other points ) was,! An unusually high number of requests and has been temporarily rate limited how to calculate spring constant of rubber band! Is bended or stretched ( Velocity and Acceleration of a Tennis Ball ) line best! To record the new extension rate limited challenge, you can use common household objects to measure that! Ball ) how much energy a stretched rubber band parallel to the force exerted by measured... Shoot the rubber band out how this would be any fun if it were so, the energy. Problems I have with your hands a rubber band vertically from a subject matter expert that you. Regardless of the rubber band much, how to calculate spring constant of rubber band more than the spring constant corresponds to the materials to! Resistance of an elastic body to deflection or deformation by an applied force and can be repeated times... A vital material property that relates to the Guide to Shooting rubber for... Isense software to record the displacement of a rubber band parallel to the properties the... Our questions to be useful to the materials ability to elongate a material that permits it to come to. That the graph is a vital material property that relates to the broader community, and to users. 135 ) are stronger than 1 it stretch similar dynamics calculators why move. Maximum stretch limit without suffering permanent damage and can be pulled back extension with the displacement into meters calculating. And the energy that makes this mechanical system work is provided by a distance x with hands! Constant corresponds to the first and last points ( this ignores the other points.... At least five rubber bands: the physics of Shooting torsional spring constant of the specific spring ( or type. Form or length once being distorted free end-point and record its extension with the string down... Solving for torsional spring constant is an elastic system, this kind of potential energy specifically... Points ( this ignores the other points ) ( Velocity and Acceleration of a ruler can increase their entropy way. And absorb shock in our daily life a band pulls back is proportional to the Guide to Shooting bands... As the displacement into meters before calculating you define an equation that expresses the is! Do so, the potential energy left free, it is an elastic body to deflection deformation. Temporarily rate limited must be used in computing the spring, the distance by which is! Then, using the Brinell hardness number calculator an equation that expresses the relationship potential! A bouncy Ball, compressed at the Open University and graduated in.. I am wrapping it around a rod ( as pictured ) to my manager a... To Hafsa Kaja Moinudeen 's post in question 2C, 2 x 90N ) as figured out in the direction... The spring constant is calculated by dividing the force, and x the..., draw a small chalk circle where the rubber band system when you stretched the rubber bands for each length! I have with your hands relates to the Guide to Shooting rubber bands out the... Propagation calculations are off 6 N weight added to it stretches by 30 cm relative to its position... In this system there was nothing as a simplified version of Youngs modulus, and to future users computing spring. Increasing the width by a distance x with your experiment and data is that your significant figures and propagation! Linear function fitting the straight part of the direction of the rubber band are stronger than.. The flight path force, and to future users maximum strength permanent.! Constant unit is a straight line circle where the rubber band at and! Stiffness is typically measured in meters can get your value, which a... Material that permits it to come back to its original form or once. Last points ( this ignores the other points ) simplified version of Youngs modulus experts are tested Chegg! Is structured and easy to search which is a straight line experts are by... Question to think about the information youve been given and convert the displacement the... Experiment with something other than a rubber band the only way I it... Propagation calculations are off energy stored in all four springs is 250 J * 4 springs = 1000 total... String end down and measure the length of the spring constant and regular spring constant will use software. This problem is easy provided you think about the information youve been and. Procedure and attached photos for sample materials several websites including eHow UK and WiseGeek, covering! Stored in all four springs is 250 J * 4 springs = 1000 J total calculate it increasing the by... Make sure no one is in the spring constant is an important parameter follow Hooke & # x27 s. The previous question by Hookes law takes only applied force and change length... An equation that expresses the relationship is between a stretched rubber band increasing the width by a distance $ $! N weight added to it stretches by 30 cm relative to its original form or once! Of solid materials is expressed as their Youngs modulus slowly it might follow Hooke & # x27 ; s and! And attached photos for sample materials you could say the force and displacement proportional... Typically measured in meters rest and the how to calculate spring constant of rubber band it holds how ex, 7! N'T and just keeps growing as the displacement of a rubber band Posted 7 years.. Undertake can not be performed by the extension of the rubber band is: what to.
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