A message from our CEO about the future of Stack Overflow and Stack Exchange. Read now.

# Questions tagged [spring]

An object such as a metal coil or air-filled tube which provides a force opposing the direction of deformation.

813 questions
Filter by
Sorted by
Tagged with
148 views

### How to estimate the kinetic energy loss of a rigid cube after it colliding with a heavy spring at rest?

In an environment without gravity, there is an unfixed, motionless, uniform spring with non-negligible mass m, length L, and stiffness k suspending and a rigid cube with mass M moving with velocity v ...
55 views

126 views

577 views

### Doubt on an answer to a mechanics problem [closed]

Question: A block of Mass m is connected to another block of mass M by a massless spring of spring constant k . The blockes are kept on a smooth horizontal plane and are at rest. The spring is ...
44 views

### Investigating 2D Oscillating motion

I once did an experiment into Simple Harmonic motion of a mass oscillating in 1D on a spring. I wanted to extend this into two dimensions. I can see how varying the starting offset and also ratio of ...
113 views

### Puzzle: Oscillating Rope and a Spring!

Here's a puzzle one of my friends in physics class gave me - Consider a uniform rope suspended from the ceiling with the help of a spring. At what distance from the lower end (fraction of total ...
201 views

### How do you solve a spring problem involving a collision?

I was just learning about collision in class and I did some research online about it. I found a question which involved a collision and a spring. I know how to do spring problems and how to do ...
83 views

55 views

### Which Spring-Weight Setup Will Impart More Energy?

Judging by the questions being asked here, this one is probably absurdly easy for you guys to answer. Bear in mind I've never taken an actual physics course. Crude drawing of what's taking place: ...
118 views

### Spring potential energy transformation [duplicate]

Suppose I take a metal spring and compress it, and in its compressed state I dip it in a strong acid solution. When the acid reacts with the metal it reacts to form a salt of the metal. Where does the ...
47 views

### Potential energy stored by an elastic circular loop on deformation to an ellipse

This question is related to an origami circular loop that I built. This structure is elastic and I intend to find the elastic potential energy stored by it when I deform it to an ellipse. My actual ...
75 views

### Work, energy and power of massive spring [duplicate]

The question is like if the spring of unstretched length $L$ has mass $M$ with one end fixed to the rigid support and it is made up of uniform wire then what kinetic energy is possessed if the free ...
66 views

### Find spring stiffness of a frame structure

I would like to calculate the spring constant of a frame structure. I thought that I could do it like this: I apply a point force on the structure: Then I calculate the displacement at that same ...
34 views

### Spring Potential energy conversion

Picture this... I take an elastic band, similar to one that people use to work out. Much larger than a rubber band. My friend has lost a bet and I decide that his punishment is for me to put the band ...
411 views

### Position when potential energy and kinetic energy of a spring are equal [closed]

I've been given that there is a spring holding a $.25kg$ mass where $k=10N/m$ and is held at $40cm$ and then let go. I've found that the max velocity is $2.53m/s$ and that when the spring is at $20cm$ ...
109 views

### Two confusing spring problems solved in different ways

I've read in the chat room and in the questions regarding spring and it raised a problem in my mind . Here are two cases which i adopted from other users . Case-1 After compressing the ball , ...
103 views

### Understanding the Terms in Coupled Springs Differential Equation

I am teaching differential equations and I got myself totally confused about the physics of a problem. Consider a coupled spring system in series: there is a mass $m_1$ on a horizontal track which is ...
158 views

### Is a mono-molecular spring possible?

I have seen and read a lot of springs being used in the macroscopic world, and I also know that things can behave differently on a much smaller scale. My question is could a single piece of molecules ...
136 views

Can someone explain this results? https://www.youtube.com/watch?v=eCMmmEEyOO0 If I grab one of the ends of the slinky, then the slinky will extend because of the gravity. Assume that the other end ...
167 views

### Spaceships connecting with spring (A deeply different version of Bell's spaceship paradox)

A very different version of Bell's spaceship paradox hit upon my mind for which I cannot find a convincing solution: Two stationary spaceships are connected with a spring as shown in the figure below....
126 views

### Difference between force and energy equilibrium

I want to find out how far a spring stretches. If I use the force equilibrium, I get $kx=mg \to x=mg/k$. If I use the conservation of energy, I get $0.5kx^2=mgx \to x=2mg/k$. How can I choose ...
32 views

### How do you get displacement at given moment where acceleration is dependent on the displacement?

I don't know how to get the time at which the train stops, because acceleration is dependent on the displacement and you can not just simply double integrate the basic equation, all I can do is get to ...
96 views

### Why don't we use $F=−kx$ while finding a spring constant?

A block of mass $m$ is attached to a vertical spring in equilibrium, and is stretched a distance $d$. As Hook's law is $F=-kd$ If I take $y$-axis to be positive upward, the net force in the $y$ ...
111 views

### Spring-mass problem [duplicate]

Question: A spring-mass system hangs vertically from a fixed support. The natural length of the spring is l. The block is displaced from the equilibrium position and constrained to move horizontally. ...
253 views

### Energy in simple harmonic motion ─ where is the kinetic energy stored, and where is the potential energy?

When a mass connected to a spring is in simple harmonic motion and somewhere between the mean and extreme positions the mass is cut from spring. Then instantaneously after cutting the mass will only ...
78 views

### Why can the deformation of a spring at a given point of the spring be considered directly proportional to the relative distance of the point?

Hello i have been studying differential equations and in one example my professor tries to deduce the partial differential equation that describes the longitudinal displacement on a elastic, ...
1k views

### Why does distance vs period graph look linear for a pendulum?

Question/problem In my introductory physics class in college, we were supposed to find a relationship between the length of a pendulum and the period. Period=$2\pi*\sqrt{l/g}$ So thus i believed ...
2k views

### Concept of work done by spring

While deriving work done by spring force, our main problem is we cannot take out ${\bf F}$ vector out of the integral because it is not constant. Hence we adopt the following method- Considering a ...
132 views

### How Is Simple Harmonic motion possible here?

Suppose the object just touches two spring(not attached) and then is displaced towards left by some distance and released then I have seen that this mass will undergo simple harmonic motion on both ...
2k views

### Conservation of mechanical energy on spring [closed]

Suppose the mass moves from compressed position to stretched position as shown in the figure. Then by applying mechanical energy conservation at stretched position what is the cause for the bulid up ...
322 views

### In this question of elastic potential energy, why doesn’t the answer of compression come negative? [closed]

A smooth curved track terminates in a smooth horizontal part. A spring of spring constant $400N/m$ is attached at one end of a wedge fixed rigidly with the horizontal part. A $40g$ mass is released ...
941 views

### Potential energy of vertical spring

I have an oscillating vertical spring with a mass attached. If I set the resting position of the mass as $x=0$ as the spring oscillates, I will have a graph like this: If I want to get the potential ...
324 views

### AP physics 1 momentum and energy problem part 2 energy lost

The first part, which I was able to solve was A bullet of mass 7 g moving with an initial speed 200 m/s is fired into and passes through a block of mass 9 kg, as shown in the figure. The block, ...
### In spring block system, how $∆K = - ∆V$?
According to law of conservation of mechanical energy, $\Delta K + \Delta V = 0$ or $\Delta K = -\Delta V$ but when in spring block system $\Delta K = 0$, and at both initial and final positions \$K ...