A hollow metal ball (mass = m, radius= R) rolls without slipping down a ramp that slopes down at an angle 8. a. Draw a clearly labeled free-body diagram of the ball. Which way does friction point, up the ramp or down the ramp? b. Use forces and torques to find an expression for the acceleration of the ball's center-of- mass, in terms of g and 0. c. Find an expression for the minimum coefficient of static friction needed to prevent slipping, in terms of g and 8.

A hollow metal ball (mass = m, radius= R) rolls without slipping down a ramp that slopes down at an angle 8. a. Draw a clearly labeled free-body diagram of the ball. Which way does friction point, up the ramp or down the ramp? b. Use forces and torques to find an expression for the acceleration of the ball's center-of- mass, in terms of g and 0. c. Find an expression for the minimum coefficient of static friction needed to prevent slipping, in terms of g and 8.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter10: Rotational Motion And Angular Momentum

Section: Chapter Questions

Problem 4PE: Unreasonable Results You are told that a basketball player spins the ball with an angular...

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