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1.7.2 Work done

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Question 8

An operator of a crane on a construction site needs to lift a heavy concrete block from the ground to one of the floors of a building.

Which of the following actions requires the crane to do the least amount of work?

A

lifting the block quickly to the top floor

B

lifting the block slowly to the top floor

C

lifting the block to the middle floor first, then lifting it to the top floor

D

lifting the block to the middle floor instead of to the top floor

Markscheme

1.7.2 Work done Questions

  1. IGCSE
  2. /Physics
  3. /1.7.2 Work done

67 exam-style questions on CIE IGCSE Physics 1.7.2 Work done. Each one has a worked solution and a mark scheme showing where the marks go.

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