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1.7.4 Power

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Question 66

An electric motor is used to pull a heavy box up a smooth inclined ramp.

Which of the following measurements is not needed to calculate the rate of work done by the motor against gravity?

A

the vertical height of the ramp

B

the slope length of the ramp

C

the time taken to pull the box up the ramp

D

the weight of the box

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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