Work Energy and Power - Result Question 17
19. The potential energy of a system increases if work is done
[2011]
(a) upon the system by a non conservative force
(b) by the system against a conservative force
(c) by the system against a non conservative force
(d) upon the system by a conservative force
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Answer:
Correct Answer: 19. (d)
Solution:
- (d) When work is done upon a system by a conservative force then its potential energy increases.
