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8 Energy – forces doing work

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Question 65
F

Two cranes lift identical loads through the same vertical height. Crane X takes 12 s and crane Y takes 18 s. Which statement compares their useful power outputs?

[1]
A

Y has the greater power because it does more work.

B

X has the greater power because it takes less time.

C

Y has the greater power because it takes more time.

D

X has the greater power because it does more work.

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8 Energy – forces doing work Questions

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

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