1. You must exert a force of 4.5 N on a book to slide it across a table. If you do 2.7 J of work in the process, how far have you moved the book? 2. A child pulls a sled up a snow covered hill. The child does 405 J of work on the sled. If the child walks 15 m up the hill, how large of a force must the child exert? 3. How much work is done on a small car if a 3150 N force is exerted to move it 75.5 m to the side of the road?

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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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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1. You must exert a force of 4.5 N on a book to slide it across a table. If you do 2.7
J of work in the process, how far have you moved the book?
2. A child pulls a sled up a snow covered hill. The child does 405 J of work on the
sled. If the child walks 15 m up the hill, how large of a force must the child exert?
3. How much work is done on a small car if a 3150 N force is exerted to move it
75.5 m to the side of the road?
Transcribed Image Text:1. You must exert a force of 4.5 N on a book to slide it across a table. If you do 2.7 J of work in the process, how far have you moved the book? 2. A child pulls a sled up a snow covered hill. The child does 405 J of work on the sled. If the child walks 15 m up the hill, how large of a force must the child exert? 3. How much work is done on a small car if a 3150 N force is exerted to move it 75.5 m to the side of the road?
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