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.
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Transcribed Image Text:As an object moves from point A to point B only two forces act on it: one force is
nonconservative and does + 40J 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.
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