What is Slipping: Definition and 220 Discussions

Hello I am a newbie to this site. Please help with my pool fence as three different tradesmen have just shrugged their shoulders! I have attached a photo. As you can see, it is frameless glass. It is safety glass 10mm thick and is held by clamps that work with tension only (no screw...

Homework Statement A basketball rolls without slipping down an incline of angle θ. The coefficient of static friction is μs. Model the ball as a thin spherical shell. (Use any variable or symbol stated above along with the following as necessary: m for the mass of the ball and g.) ] a) Find...

Homework Statement A object(have mass M1) is placed at a R1 distance from the center of a horizontal surface that can rotate. The surface rotation is very FAST INCREASE ( tangential acceleration is non-negligible) until the surface reaches a cirtical rotation rate. At that instant, the object...

Homework Statement http://img406.imageshack.us/img406/9971/setupq.jpg In the diagram, there is a rope wrapped around a cylinder which is connected to a mass m. The cylinder is on cart, so the cart accelerates to the right at a value of a. The Attempt at a Solution so far I got this: lets say...

Here's the first QOTD. Please read my other post. Do contribute misconceptions, heuristics and points to ponder. Homework Statement A hemispherical bowl of Radius R is rotated about its axis of symmetry which is kept vertical. A small block is kept in the bowl at a position where the radius...

A student in a pottery class leaves a freshly baked clay pot to cool down on a rotating platform. If the pot is positioned at 9cm away from the center, how fast does the platform rotate (in units of revolutions per seconds) when the pot is on the point of slipping? Assume that the...

Homework Statement Consider a solid disc (cylinder) with mass M and radius R initially rotates with an angular velocity \omega. Then it is slowly lowered to a horizontal surface with coefficient of kinetic friction, \mu. What is the distance of the disc traveled before it starts to roll...

Homework Statement After fixing your bicycle, you go for a ride on it along the path by the Charles River. At all times, your wheels roll without slipping. At a particular instant, you are traveling in a straight line with a speed of v. I can't figure out part B Homework Equations part A...

We've just studied rolling without slipping and I was having some trouble deciding the direction of the frictional force in some cases. So I pondered a little bit and recalled how you choose the direction of friction for "normal" translation without rotation: If the friction is static, then...

we have a truck in our game we have a rod against the wall of that truck, and we know the acceleration of truck when the rod start slipping... we just want to know what is acceleration and of rod when it start slipping.

So I am trying to figure out under what circumstances slipping usually occur, and what causes it to occur. lets assume we have a cart, and there is a static friction mu between the surface and the wheel. let's say the cart is being pushed at F horitonztally. Fs, force of friction...

Homework Statement What is the min. downward force on the box that will keep it from slipping? Coefficients are: static= .36 kinetic= .26 the box is 30kg and there is a rope pointing -----> with 125N Homework Equations F=ma Ms n Mk n The Attempt at a Solution a= (Ms mg + Mk...

Homework Statement a solid metal ball of mass M and radius R is rolling without slipping down and incline. A static friction force of magnitude f is acting on the ball. What is the magnitude of the torque due to static friction? a.) zero b.) rfcos theta c.) rfsin theta d.)Rf e. MRF...

I don't mean the actual definition of the Euler-Lagrange equation per-se, but rather a word definition that's slipping my mind. I remember that if you want to measure the shortest distance between two points, you have to minimize an integral of all possible paths or something. Is that thing...

Homework Statement A bowling ball is rolling without slipping up an inclined plane. As it passes a point O it has a speed of 2.00 m/s up the plane. It reaches a vertical height h above O before momentarily stopping and rolling back down. Determine the value of h. The moment of inertia of a...

Homework Statement "A 0.18-kg billiard ball whose radius is 2.8 cm is given a sharp blow by a cue stick. The applied force is horizontal and the line of action of the force passes through the center of the ball. The speed of the ball just after the blow is 3.9 m/s and the coefficient of...

Hi, The following is a general question which doesn't have to do with any particular problem. (therefore I am not including the template). I understand that when a circular object (e.g: a hoop) rolls on a *flat* surface without slipping with angular speed \omega, its contact point, and thereby...

Homework Statement You have a ball rolling down an inclined plane of h height and an angle theta. I have to calculate the frictional force if the ball is not slipping Homework Equations t= FRsin theta I=2/5mR^2 The Attempt at a Solution Where on the ball is the torque being...

. Homework Statement A ball radius "a" and mass "m" initially spinning counterclockwise with angular speed w=-v0/a with a forward speed vo. The coefficient kinetic friction between the ball and the billiard table is Mu, [Given a,m,vo,mu] Determine the work lost to friction while slipping...

Homework Statement A uniform density sphere is released such that it has an angular speed of 10 rev/sec and no initial linear velocity. The angular velocity vector is perfectly perpendicular to the linear momentum vector. Initially the ball slips as it moves along the surface, but after...

Homework Statement A cylinder with radius R and mass M rolls without slipping down an incline plane with angle\theta. The coeff. of friction is \mu. Find the maximum value for the angle for the cylinder to roll without slipping. Homework Equations The moment of inertia for a cylinder...

Homework Statement A bowler throws a bowling ball of radius R = 11 cm down the lane with initial speed v0 = 8.5 m/s. The ball is thrown in such a way that it skids for a certain distance before it starts to roll. It is not rotating at all when it first hits the lane, its motion being pure...

Homework Statement A block of mass M_1 rests on a block of mass M_2 which lies on a frictionless table. The coefficient of friction between the blocks is \mu . What is the maximum horizontal force which can be applied to the lower ( M_2 ) block for the blocks to accelerate without...

A cylinder rolls up an inclined plane, reaches some height, and then rolls down. The directions of frictional force acting on the cylinder while descending will be up the inclined. But what will be the direction of frictional force when the cylinder is ascending?? UP or DOWN Well, I think...

Homework Statement The coefficient of friction between the trains wheel's and the rail on a frosty day is 0.1, What is the steepest slope (expressed in the form ''1 in n'') that the train can climb without slipping. Homework Equations Ff = μ(Fn) The Attempt at a Solution I...

[b]1. The problem statement: a 100kg homogeneous cylinder of radius .3m. Starts at rest. Is pulled by a string wrapped around the cylinder coming off the top with a force of 500N. Find the angular velocity after the cylinder has rolled one revolution? The attempt at a solution: I=...

Homework Statement A uniform cylinder of mass M and radius R has a string wrapped around it. The string is held fixed, and the cylinder falls vertically. (a) Show that the acceleration of the cylinder is downward with a magnitude a=2g/3. (b) Find the tension in the string. Homework...

Homework Statement A wheel with rotational inertia I = 0.5MR^2 about its central axle is set spinning with initial angular speed w and is then lowered onto the ground so that it touches the ground with no horizontal speed. Initially it slips, but then begins to move forward and eventually...

Homework Statement Hi guys, i am sort of confused with the concept of slipping. I got a question.. what does it mean by maximum friction force before slipping occurs? Homework Equations I believe in the use of f_{}s \leq \mu_{}sn The Attempt at a Solution please correct me if i am wrong...

Homework Statement Minimum Angular Speed to start SLIPPING BEFORE ROLLING WITHOUT SLIPPING. Homework Equations A cylinder of mass M with radius r is given an angular speed of an w about an axis, parallel to its length , which passes through its centre. The cylinder is gently lowered onto...

Homework Statement 1. A ball rolls without slipping down an incline of angle \theta. The coefficient of static friction is \mus. Find the maximum angle of the incline for which the ball will roll without slipping. 2. Find the percentages of the total kinetic energy associated with...

Homework Statement A uniform ball of mass M and raduis a can roll without slipping on the rough outer surface of a fixed sphere of raduis b and centre O. Initially the ball is at rest at the highest point of the phere when it is slightly disturbed . Find the speed of the center the G of the...

This isn't actually a homework question, but the style of it fits best in this forum. Diagram http://img355.imageshack.us/img355/9836/text5029jb0.png \tau - torque of wheel R - radius of wheel f_k - force due to kinetic friction Question Is the translational acceleration of the...

Dear All, I have learned that if a wheel is rolling without slipping, then the velocity of point of contact of a wheel with respect to the ground is zero instantaneously. However, I am having some problems while trying to understand that. We can express the point of contact's velocity...

Homework Statement A billiard ball has mass M, radius R, and moment of inertia about the center of mass(sphere...so (2/5)MR^2). The ball is sturck by a cue stick along a horizonal line through the ball's center of mass so that the ball initially slides with velocity vi. As the ball moves...

Hello: In my readings a question has come up in my mind about a ball that is rolling. Say you have a pool ball on a billiards table and you examine it immediately after impact. It's going to be sliding along the table. But at some point, it's going to stop sliding and (ideally) start rolling...

HELP!A rolling without slipping problem Homework Statement A solid cylinder of radius R and mass M has a string wrapped around it and is placed on its side on a horizontal surface. The free end of the string is pulled horizontally with a force F as shown in the figure. As the string unwraps...

A uniform, spherical bowling ball of mass m and radius R is projected horizontally along the floor at an initial velocity v0 = 6.00 m/s. The ball is not rotating initially, so w0 = 0. It picks up rotation due to (kinetic) friction as it initially slips along the floor. The coefficient of...

The ladder is 5m leaning on a wall, and it is 2.5 m away from the bottom of the wall, so the angle between the ground and the ladder is 60 degrees. The contact interaction between the ladder and the ground has a static friction force of no more than .4 mg, and mg is the weight of the person on...

Homework Statement A uniform cylinder of radius R, length L and density \delta is rolling without slipping along a horizontal surface with constant centre of mass speed u at A. It then meets a step of height b. We wish to find the conditions under which the cylinder is able to continue past...

a bowling ball is slipping woth initial velocity of 5m/s with coeficient of friction being .08. how far does it travel before it started to slip? i used conservation of total energy and accounted for the energy lost in friction until it starts to roll. both i and my teacher got double...

I am slipping off my spinning disc-- Homework Statement I am taking a non calculus based physics class and have hit a wall with this one. I have a horizontal spinning disc with an Angular Acceleration of .25 rad/s^2 from rest. The disc has a radius of .05 m. A pebble is placed .025m from the...

Homework Statement A ball radius r mass m starts rolling without slipping up a ramp inclinced at an angle phi to the horizontal, and reaches a maximum hight, h. Derive an expression for the angular velocity, omega, that the ball has at the base of the ramp (ignore rolling friction throughout...

Homework Statement A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. The small wheel has a radius of 2.0cm and accelerates at a rate of , and it is in contact with pottery wheel (radius 25.0 cm)without slipping. Calculate (a)...

Homework Statement A block weighing 75 N rests on a plane inclined at 25 degrees. A force F is applied to the object at 40 degrees to the horizontal, pushing it upward on the plane. Coefficient of static friction between block and plane is .363 EDIT: What is the minimum value of F that will...

I've read similar posts and have tried the problem several times but don't get the right answer. Homework Statement A uniform ladder with a mass of 15 kg leans against a frictionless wall at a 65 degree angle. Find the required friction coefficient (u) at the floor that will allow a 100kg...

Homework Statement A uniform 15kg ladder whose length is 5.0 m stands on the floor and leans against a vertical wall, making an angle of 25 degrees with the vertical. Assuming that the friction between the ladder and the wall is negligble, what is the minimum amount of friction between the...

Homework Statement A uniform 15 kg ladder whose length is 5.0 m stands on the floor and leans against a vertical wall, making an angle of 25 degrees with the vertical. Assuming that the friction between the ladder and the wall is negligible, what is the minimum amount of friction between the...

A solid sphere rolls without slipping down a ramp that is at an angle of 32 above horizontal. The magnitude of the acceleration of the center of mass of the sphere as it rolls down the ramp is? sum of torques = I(alpha) rmgsin32 = (2/5)mr^2(a_tan/r) the radii drop out as one would...

Homework Statement A solid uniform cylinder with mass 5 kg is being pulled with a constant force of 45 Newtons up a 30 degree incline. The force is acting on the cylinders center and is parallel to the incline. What is its angular acceleration? I have a good idea on how to do the problem...