Bill and Nageen have each built an electric motor and they are testing them by having them lift boxes. Bill's motor lifts a box 0.35 metres in 2 seconds. Nageen's motor lifts the same box 0.35 metres in 1.8 seconds. Whose motor has applied more power to the box?

Question

Sylvia Walker

Physics

20 February, 21:34

Bill and Nageen have each built an electric motor and they are testing them by having them lift boxes. Bill's motor lifts a box 0.35 metres in 2 seconds. Nageen's motor lifts the same box 0.35 metres in 1.8 seconds. Whose motor has applied more power to the box?

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Answers (1)

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Pierce Sloan · Answer 1

Bill's motor power: W_B = F x S / T = F x 0.35 / 2 = 0.175F

Nageen's motor power: W_N = F x S / T = F x 0.35 / 1.8 = 0.194F

=> 0.194F > 0.175F = > Nageen's motor applied more power to the box than Bill's motor.