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8 Energy – forces doing work

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Question 28

A groundskeeper pushes a lawn roller 4.5 m across level ground. A constant force of 72 N acts in the direction in which the roller moves. Which calculation gives the work done by this force?

[1]
A

72+4.572 + 4.572+4.5

B

72÷4.572 \div 4.572÷4.5

C

72×4.572 \times 4.572×4.5

D

4.5÷724.5 \div 724.5÷72

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8 Energy – forces doing work Questions

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

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