The system is released from rest. Find the work done by the force if gravity during first 2 seconds of motion.
A. 80J
B. 20J
C. 40J
D. 100J
Answer:C
The system is released from rest. Find the work done by the force if gravity during first 2 seconds of motion.
A. 80J B. 20J C. 40J D. 100J