Springs Definition and 651 Threads

Homework Statement Since a real spring has mass, if another mass was attached to it, would the spring exert a greater force on the mass and have a smaller stretch, versus if this spring was an ideal spring?

Homework Statement A 2 kg block is attached to a horizontal ideal spring with a spring constant of 200 N/m. When the spring has its equilibrium length the block is given a speed of 5 m/s. What is the maximum elongation of the spring? A. 0 B. 0.05 m C. 5 m D. 10 m E. 100 m Homework...

I am attempting to measure linear spring displacement by measuring the change in electrical resistance of the spring before and after the displacement. Will this approach work? (assume the coils do not contact each other)

Homework Statement We have a string with property D (I don't know the name in english, it's dimension is N/m, the force required to stretch it 1m), which is small enough so that if we put the spring on the ground, it'll be shorter than it's standard height. The question is, when will this...

Homework Statement A relaxed spring with spring constant k = 70 N/m is stretched a distance di = 63 cm and held there. A block of mass M = 7 kg is attached to the spring. The spring is then released from rest and contracts, dragging the block across a rough horizontal floor until it stops...

[PLAIN]https://wug-s.physics.uiuc.edu/cgi/courses/shell/common/showme.pl?cc/DuPage/phys2111/summer/homework/Ch-07-Work/IE_block_springs/9.gif Homework Statement A block of mass m = 1.5 kg slides between two springs, of spring constant kleft = 30 N/m and kright = 57 N/m. The distance between...

Homework Statement Hello, guys! This problem is from exercise D, Q4 http://www.studyjapan.go.jp/pdf/questions/10/ga-phy.pdf" Consider two springs of negligible mass that have the same natural length (50 cm) and same spring constant. As shown in Figure 1 (view the link), the two srpings are...

Need to show that the vertical displacement of a particle on a spring is \ddot{x} + 100x = 0 \frac{1}{2}kx^2 + \frac{1}{2}m\dot{x}^2=C k\dot{x}x + m\dot{x}\ddot{x}=0 Then since m=0.4, k=40. \ddot{x}+100x=0 what has happened to gravitational potential energy? why isn't...

When a mass collides with a spring attached to a different mass; why is the maximum compression of the spring when the velocity of both masses is the same? (Spring is massless and surface is frictionless to make things simpler) My mechanics teacher told me this when I was solving (or rather...

confirm my answers on Oscillating Springs?? Can anyone confirm or adjust my answers for problems 12 and 14? Also can someone help me start on problem 13.. Thanks guys I really appreciate the help Homework Statement 012 Find the speed of the block when it is 2.5 cm from the equilibrium...

Homework Statement I challenged myself with a problem I invented, but I'm stuck. Consider a 1 dimensional problem consisting of 3 masses, each one separated by a spring. So that from the left to the right of my sketch we have m_1, a spring (k_1 with natural length l_1), m_2, another spring...

https://www.physicsforums.com/attachments/251691. Homework Statement assigned system of masses connected by springs with the parameters specified Mass M0 details: Stationary mass, does not move Starting Positions in meters: X: 5.8 Y: 4.2 ----------------------------------------- Mass...

Homework Statement A mass m slides on a frictionless horizontal surface, connected to two springs. If the springs have force constants k1 and k2, show that the simple harmonic sliding motion has period: T = 2pi*sq root(m(k1+k2)/(k1k2) There is a diagram and the springs are connected...

Is there a formula to calculate how much force is released from compression springs knowing the exact specifications of the spring of course? Like if it takes 100g to compress a spring completely, how high would 50g travel when the spring is released.

Hey guys, So I was trying to do a few questions to prepare for my Differential Equations exam soon, and I stumbled upon this question: A mass of 1 slug is suspended from a spring whose spring constant is 9lb/ft. The mass is initially released from a point 1 foot above the equilibrium...

Homework Statement An 8 kg mass is hanging from two springs that are attached to the ceiling as shown in the figure. The spring constant of spring A is 165 N/m and the spring constant of spring B is 123 N/m. Which spring has a larger displacement? Note: Spring A is attached to the ceiling on...

hello all, this will be my third time posting this question, i thought perhaps posting in the homework section might have it be answered. Recently I have been attempting to model a spring system (see below) where the springs themselves will have mass. I should know how to do this but i accept...

hello all, Recently I have been attempting to model a spring system (see below) where the springs themselves will hold mass. I should know how to do this but i accept defeat, how do you model the potential energy or a force system on two masses connected to three springs? I have read about...

Homework Statement I don't want to write the whole question as it is very long and I just have one query.. Basically the question involves a particle attached to three different springs which have fixed end points. In the question the mass of the particle is m, and the other constants used...

Homework Statement The 2-lb collar C fits loosely on the smooth shaft. If the spring is unstretched when s = 0 and the collar is given a velocity of 15 ft/s, determine the velocity of the collar when s = 1 ft. Homework Equations F = kx The Attempt at a Solution x = l-l0 = (√[1 + s2] - 1)...

Yeah I got this question and I'm just wondering if I'm doing it right. Homework Statement A spring normally 10cm long and whose force constant is 150 n/m is connected to another spring normally 20cm long and whose force constant is 100 n/m. The combination is then pulled out so that its...

[b]1. The problem statement, all variables and given/known A mass m is connected between two identical springs (along a y-axis) with identical spring constants k. The equilibrium length of each spring is L, but they are stretched to twice this length when m is in equilibrium. By analyzing the...

[b]1. Homework Statement [/b A 2.7 kg block is dropped from rest from a height of 4.5 m above the top of the spring. When the block is momentarily at rest, the spring is compressed by 25.0 cm. What is the speed of the block when the compression of the spring is 15.0 cm? Homework Equations...

Homework Statement I've had some problems trying to work through this problem: Two springs of stiffness k1 and k2 are attached in succession to a mass m. What is the frequency of vibrations in terms of the spring stiffness k1 and k2 and the mass m? Homework Equations...

Hi, I'm trying to find a way to calculate the resting position of a network of springs that is built as follows: n number of springs with identical k constant, but with different resting lengths are connected together at one end of each spring. The other end of each spring is fixed to some...

Homework Statement A pair of masses M1, M2 is suspended vertically by a pair of spring, with spring constant k1, k2. ( see the attachment for the picture) a.A downward force F is applied to bottom mass. Find the downward displacements d1 and d 2 of the equilibrium positions of the Mass...

Homework Statement A block on a frictionless table is connected to two springs having spring constants k1 and k2. Show that the block's oscillation frequency is given by f = (f12 + f22).5 where f1 and f2 are the frequencies at which it would oscillate if attached to spring 1 or spring 2...

1.A stell spring has a spring constant of 25Nm^-1.Calculate a.the extension of the spring when the tension in it is equal to 10N, b.The tension in the spring when it is extended by 0.50m from its unstretched length. 2.Two identical stell springs of length 250mm are suspended vertically...

Homework Statement There are two springs, one long spring of constant k1 and it is inside a smaller spring of constant k2. Both springs follow Hooke's Law. A box of mass M moves without friction and compresses spring 1 a distance d1 where it hits spring 2. Spring 1 and 2 then compress further...

Homework Statement a 300 g mass vibrates at the end of a horizontal spring along a frictionless surface. if the spring constant is 45N/m, and the maximum displacement of the mass is 8.0cm, what is the maximum speed of the mass? Homework Equations g=Gm/r^2 The Attempt at a Solution...

Homework Statement Hey The part of the question that i am not all the sure about is Newtons second law. and the Omega the Situation is as followed ]/\/\/k1\/\/\[m]/\/\/k2/\/\[ There are 2 springs k1,k2 and a mass in between.Homework Equations F=ma and F=-kx x=Asin(omega(t)+theta) The...

Three springs of spring constant kare connected to a body of mass m and rigid supports, so that the angles are A 90 degrees between two and 135 degrees between each of these two and the third. B 120 degrees between any 2 adjacent ones. Find time period of vibration. I worked out a...

I think this is in the right section, sorry if it's not. First off, I'll apologize again for not knowing any terminology dealing with springs so I hope you understand what I'm wanting from you. Which is, say you have a circular compression spring that can hold 2 lbs without moving, what amount...

Finding the given spring constant Homework Statement Consider the system represented on the figure, constituted by the mass m and two springs of constant k1 and k2. (The image is attached) Prove that: \frac{1}{K_{eff}} = \frac{1}{k_{1}} + \frac{1}{k_{2}} Homework Equations F =...

I’m looking for an information source on the energy storage density of coiled springs made of various materials. Of particular interest are steel, titanium, carbon fiber, and carbon nanotubes.

I have a static spring system with 3 springs holding 2 masses in place I have the spring stiffnesses (K1=1N/m k2=3N/m k3=2N/m) and natural lengths (L1=3m L2=1m L3=2m) and the total length of the compressed springs (x1+x2+x3=4m) I know that I derive simultanious equations and use the iterative...

Homework Statement I have a static spring system with 3 springs holding 2 masses in place I have the spring stiffnesses (K1=1N/m k2=3N/m k3=2N/m) and natural lengths (L1=3m L2=1m L3=2m) and the total length of the compressed springs (x1+x2+x3=4m) Homework Equations 1/K(total) =1/K1 +...

A compact car has a mass of 1050 kg. Assume that the car has one spring on each wheel, that the springs are identical, and that the mass is equally distributed over the four springs. (a) What is the spring constant of each spring if the empty car bounces up and down 2.0 times each second...

Homework Statement A 4.0 kg block slides along a frictionless horizontal surface at 5.0 m/s. It runs into and compresses a spring with a spring constant of 200 N/m. How far does it compress the spring before it stops and changes direction? Homework Equations P.E. = 0.5 kx^2 K.E. = 0.5...

Homework Statement A stone of mass m is at rest on a vertical spring which is compressed a distance x. Find its spring constant k. All variables are given in the problem. Homework Equations I solved this problem realizing that because the mass is at equilibrium, the sum of the...

A question:Simple harmonic motion http://capa2.cc.huji.ac.il/res/msu/physicslib/msuphysicslib/09_Force_and_Motion/graphics/prob07_twospring.gif1.[/URL] Homework Statement Two springs with spring constants k1=29.7 N/m and k2=20.7 N/m are connected as shown in the figure: Find the...

Homework Statement A spring of constant 18 N/cm is compressed a distance 7cm by a 0.5 kg mass, then released. It skids over a frictional surface of length 1.6m with coefficient of friction 0.17, then compresses the second spring of constant 5 N/cm. the acceleration of gravity is 9.8m/s^2...

Homework Statement A freight car loaded with ore is sitting on a 5o incline when its brakes fail. After traveling 150 m on a frictionless track, it reaches level ground where it strikes a massive safety spring with a spring constant k = 18,500 N/m. When its velocity has decreased to zero, an...

1. A mass attached to the lower end of a vertical spring causes the spring to extend by 25 mm to its equilibrium position. The mass is then displaced a further 20 mm and released. A trace of the vibration and time measurements are taken. From these measurements it can be seen that the...

Hello, I am a having a problem finding the solution of the follow: 3 equal masses are connected by springs in a circle, and are confined to move in the circle. Find the eigenvalues and eigenvectors of the system. I'm really at a bit of a loss here, I don't know whether you begin by...

Homework Statement I am trying to derive the effective spring constant of two springs, with different spring constants, in series. I know the equation is everyone online, so the effective spring constant is k1k2/k1+k2. So the question is, when deriving it, the force exerted on each spring...

Homework Statement How do we calculate the effective spring constant of springs in parallel, where the springs have different spring constants and different stretch distances (because the original lengths of the springs are different).Homework Equations Hooke's Law --> Fx = kx The Attempt at...

Warning: I have a minor grasp of physics... I am devising a study looking at the tension required in a surgical prosthesis (which is essentially a length of nylon with 80LB breaking strain) to produce stability between 2 bones. The nylon will be placed in a simple loop between 2 structures and...

Homework Statement A block of mass m lies on a rough surface, inclined at angle theta to the horizontal. It is attached to a spring of force constant; the other end of the spring is fixed to a point on the table below the inclined block. The co-eff of static friction is mu-s and kinetic...

Homework Statement An 80.0-kg man jumps from a height of 2.50 m onto a platform mounted on springs. As the springs compress, he pushes the platform down a maximum distance of 0.240 m below its initial position, and then it rebounds. The platform and springs have negligible mass. What is the...