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ARC-Easy / CSZ_2008_8_12 / A piece of pine wood floats on the surface of a lake because the water exerts

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A piece of pine wood floats on the surface of a lake because the water exerts

choices

  • an upward force equal to the weight of the wood.
  • a downward force equal to the weight of the wood.
  • an upward force equal to the weight of the displacement water.
  • a downward force equal to the weight of the displacement water.

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Source and history

Official source

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