Skip to content

Course home

Sign up

8 Energy – forces doing work

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110
Question 77
F

A hoist receives 12 000 J12\,000\ \mathrm{J}12000 J of energy in 20 s. During this time, 3000 J is dissipated. What is the mean useful power output?

[1]
A

150 W150\ \mathrm{W}150 W

B

450 W450\ \mathrm{W}450 W

C

750 W750\ \mathrm{W}750 W

D

600 W600\ \mathrm{W}600 W

Markscheme

8 Energy – forces doing work Questions

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

Question bank