The potential energy of the system increases if work is done ……….. .
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
Answer:B
The potential energy of the system increases if work is done ……….. .
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