1. A 7.50-kg box initially at rest slides down a 15.0 m long incline that makes an angle of 22.0° withthe horizontal (see figure). At the bottom of the incline, the speed of the box is 3.00 m/s.a) Draw a free body diagram, detailing all of the forces acting on the box.b) Using the work done by non-conservative forces relationship, find the algebraic expression for thecoefficient of kinetic friction between the box and the incline.c) Calculate the coefficient of kinetic friction.

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Answered: A 7.50-kg box initially at the…

A 7.50-kg box initially at the horizontal (see figure). At the bottom of a) Draw a free body diagram, detailing all of the forces acting on the box. 0 ansion for the

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter10: Work, Energy And Machines

Section: Chapter Questions

Problem 90A

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Give an example of a situation in which there is a force and a displacement, but the force does no work. Explain why it does no work.