A student carries a bag weighing 5 kg from the ground floor to his class on the first floor that is 2 m high. The work done by the boy is
A. 1 J
B. 10 J
C. 100 J
D. 1000 J
Answer:C
A student carries a bag weighing 5 kg from the ground floor to his class on the first floor that is 2 m high. The work done by the boy is
A. 1 J B. 10 J C. 100 J D. 1000 J