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9 Forces and their effects

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Question 61
F

A student uses a crowbar to lift a slab. The student moves the pivot nearer the slab and keeps the effort at the far end of the bar. Why is less effort needed?

[1]
A

The load arm increases while the effort arm increases.

B

The load arm decreases while the effort arm increases.

C

The load arm decreases while the effort arm decreases.

D

The load arm increases while the effort arm decreases.

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9 Forces and their effects Questions

  1. GCSE
  2. /Physics
  3. /9 Forces and their effects

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