As an object moves from point A to point B only two forces act on it: one force is nonconservative and does + 40 J of work, the other force is conservative and does – 60 J of work. Between A and B, - a. The potential energy of the object increases, mechanical energy decreases. b. The potential energy of the object decreases, mechanical energy decreases. c. The potential energy of the object decreases, mechanical energy increases. d. The potential energy of the object increases, mechanical energy increases.
As an object moves from point A to point B only two forces act on it: one force is nonconservative and does + 40 J of work, the other force is conservative and does – 60 J of work. Between A and B, - a. The potential energy of the object increases, mechanical energy decreases. b. The potential energy of the object decreases, mechanical energy decreases. c. The potential energy of the object decreases, mechanical energy increases. d. The potential energy of the object increases, mechanical energy increases.
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter9: Solids And Fluids
Section: Chapter Questions
Problem 2WUE: Physics Review A team of huskies performs 7 440 J of work on a loaded sled of mass 124 kg, drawing...
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