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5 marksEffects of Forces

CAPE Physics Unit 1 · 2016 · Paper 2 · Question 4(a)

By referring to Figure 7, explain the origin of upthrust and how upthrust determines whether an object will float or sink.

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Other parts of this question

  1. 4(b)(i)Determine the weight of water that would be collected in the beaker.[1 mark]
  2. 4(b)(ii)For (b) (i), calculate the volume of water displaced and hence, determine the density of the stone.[3 marks]
  3. 4(c)(i)State the reason why the height of liquid in the measuring cylinder rose by the same amount.[1 mark]
  4. 4(c)(ii)Outline the reason why the reading on the spring balance was lower when the ornament was immersed in water than when it was immersed in corn oil.[1 mark]
  5. 4(c)(iii)Calculate the density of the corn oil.[4 marks]

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