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8 Energy – forces doing work

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Question 36

In a safety test, the motor of a powered sliding door exerts a constant force on the door while the door slides along its track in the direction of the force. The test is then repeated with a change to the force, the distance moved, or both.

Which change doubles the work done by the motor's force?

[1]
A

The force stays the same and the distance moved is halved.

B

The force is doubled and the distance moved is doubled.

C

The force is halved and the distance moved is doubled.

D

The force is doubled and the distance moved stays the same.

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8 Energy – forces doing work Questions

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

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