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Physics (AS & A Level) · Oct / Nov 2016 · Paper 12 · Question 14

9702Non-uniform motion

Which diagram best shows the forces acting on a ball falling at a constant velocity through a liquid?

  1. Aupthrust and viscous drag upwards, weight downwards
  2. Bviscous drag upwards, weight downwards
  3. Cupthrust upwards, weight downwards
  4. Dupthrust and viscous drag upwards, weight downwards

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Correct answer: D. upthrust and viscous drag upwards, weight downwards

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