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# A crate of books rests on a level floor. To move it along ISBN: 9780321675460 31

## Solution for problem 11DQ Chapter 5

University Physics | 13th Edition

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Problem 11DQ

A crate of books rests on a level floor. To move it along the floor at a constant velocity, why do you exert less force if you pull it at an angle ? above the horizontal than if you push it at the same angle below the horizontal?

Step-by-Step Solution:

Solution to 11DQ Step 1 Consider the crate of books is being pushed with a force F. Lets us draw the free body diagram and resolve the forces into its components, The pushing force is at an angle with the crate of books. It is resolved into two components, F x and F y. FxFcos F =Fsin y F =W+F ………………………………………………(1) n y

Step 2 of 2

##### ISBN: 9780321675460

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