A) by the system against a conservative force
B) by the system against a neoconservative force
C) upon the system by a conservative force
D) upon the system by a neoconservative force
Correct Answer: A
Solution :
The potential energy of a system increases if work is done by the system against a conservative force. \[-\Delta U={{\text{W}}_{\text{conservative}\,\text{face}}}\]
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