A force of 40 N acts on body of mass 5 Kg which is initially at rest. What is the amount of work done in the first 10 s?
A. 16000 J
B. -16000 J
C. 400 J
D. -400 J
Answer:A
A force of 40 N acts on body of mass 5 Kg which is initially at rest. What is the amount of work done in the first 10 s?
A. 16000 J B. -16000 J C. 400 J D. -400 J