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1.7.4 Power

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Question 3

A hoist is used to lift loads vertically.

The output power of the hoist to lift a storage crate is PPP.

The hoist then lifts a machine, which has 5.0 times the weight of the crate, through 0.40 of the distance in 0.80 of the time.

What is the output power of the hoist now?

A

2P5\frac{2P}{5}52P​

B

5P4\frac{5P}{4}45P​

C

5P2\frac{5P}{2}25P​

D

4P4P4P

Markscheme

1.7.4 Power Questions

  1. IGCSE
  2. /Physics
  3. /1.7.4 Power

95 exam-style questions on CIE IGCSE Physics 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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