Question

Porter lifts a luggage of 15 kg from the ground and put it on his head 1.5 metre above the ground.

Calculate the work done by him on the luggage

Answer 1

Work done by the porter on the luggage =
force x displacement                                                                    =mgh                                                                      15 kg x (9.8 m/s2) x 1.5m
  = 220.5J

Answer 2

Porter lifts a luggage of 15 kg from the ground and put it on his head 1.5 metre above the ground.

Calculate the work done by him on the luggage
Work done by the porter on the luggage =
force x displacement                                                                    =mgh                                                                      15 kg x (9.8 m/s2) x 1.5m
  = 220.5J
Thank you