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8 Energy – forces doing work

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Question 110
H

A motor receives 800 W for 15 s. It pulls a crate 10 m with a constant force of 600 N in the direction of motion. What is the mean power dissipated in the motor during this time?

[1]
A

600 W600\ \mathrm{W}600 W

B

400 W400\ \mathrm{W}400 W

C

200 W200\ \mathrm{W}200 W

D

800 W800\ \mathrm{W}800 W

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8 Energy – forces doing work Questions

  1. GCSE
  2. /Physics
  3. /8 Energy – forces doing work

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