The potential energy of a system increases, if work is done _______.
A. by the system against a conservative force
B. by the system against a non-conservative force
C. upon the system by a conservative force
D. upon the system by a non-conservative force
Answer:A
The potential energy of a system increases, if work is done _______.
A. by the system against a conservative force B. by the system against a non-conservative force C. upon the system by a conservative force D. upon the system by a non-conservative force