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Forces in action

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Question 4

A cylindrical wooden buoy is floating in a high-salinity salt lake.

The average density of the wooden buoy is 780 kg m-3 and the density of the saltwater is 1200 kg m-3.

What percentage of the volume of the buoy is above the surface of the water?

A

353535

B

545454

C

656565

D

787878

Markscheme

Forces in action Questions

  1. A Level
  2. /Physics
  3. /Forces in action

10 exam-style questions on OCR A A Level Physics Forces in action, covering Dynamics, Motion with non-uniform acceleration, Equilibrium, and Density and pressure. Each one has a worked solution and a mark scheme showing where the marks go.

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