Problem 8.3 Figure 8.19 shows a person pushing a block ofmass m on a surface that makes an angle 0 with the horizontal.The coefficient of kinetic friction between the block and theinclined surface is u.If the person is applying a force with constant magnitude P andin a direction parallel to the incline, show that the accelerationof the block in the direction of motion can be expressed as:Fig. 8.19 Problem 8.3PI8(u cos 0 + sin 0)ar =

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Problem 8.3 Figure 8.19 shows a person pushing a block of mass m on a surface that makes an angle 0 with the horizontal. The coefficient of kinetic friction between the block and the inclined surface is µ. If the person is applying a force with constant magnitude P and in a direction parallel to the incline, show that the acceleration of the block in the direction of motion can be expressed as: Fig. 8.19 Problem 8.3 ay = m I8(H cos 0+ sin 0)

Problem 8.3 Figure 8.19 shows a person pushing a block of mass m on a surface that makes an angle 0 with the horizontal. The coefficient of kinetic friction between the block and the inclined surface is µ. If the person is applying a force with constant magnitude P and in a direction parallel to the incline, show that the acceleration of the block in the direction of motion can be expressed as: Fig. 8.19 Problem 8.3 ay = m I8(H cos 0+ sin 0)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

Problem 8.3 Figure 8.19 shows a person pushing a block of
mass m on a surface that makes an angle 0 with the horizontal.
The coefficient of kinetic friction between the block and the
inclined surface is u.
If the person is applying a force with constant magnitude P and
in a direction parallel to the incline, show that the acceleration
of the block in the direction of motion can be expressed as:
Fig. 8.19 Problem 8.3
P
I8(u cos 0 + sin 0)
ar =

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