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. 1J
B. 10J
C. 100J
D. 1000J
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. 1J B. 10J C. 100J D. 1000J