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You may sometimes find it difficult to get up from the sofa after watching a TV programme.
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You may sometimes find it difficult to get up from the sofa after watching a TV programme.
Assuming the force of gravity acts between the centre of your body and the centre of the sofa,
estimate the attraction between you and your sofa.
ON
2
Calculate the size of the gravitational pull of a sphere of mass 10 kg on a mass 2.0 kg
their centres are 200 mm apart.
What is the force of the 2.0 kg mass on the 10 kg mass?
when
Answers: 2
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