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Example Problem Solutions from:


Physics for Scientists & Engineers

by Douglas C. Giancoli
Volume 1, 4th Edition, Pearson Prentice Hall, Upper Saddle River, NJ, 2008

Chapter 7: Work and Energy


"CHAPTER-OPENING QUESTIONS - Guess now!
You push very hard on a heavy desk, trying to move it. You do work on the desk:
(a) Whether or not it moves, as long as you are exerting a force.
(b) Only if it starts moving.
(c) Only iff it doesn't move.
(d) Never - it does work on you.
(e) None of the above."





Example Problem Solutions:


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