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Two rubber balls of the same size are dr...

Two rubber balls of the same size are dropped on the Earth and on the Moon. One ball is solid, and one is hollow. The approximate gravitational field strength on the Earth is 10 N/kg and on the Moon is 1.7 N/kg. Which ball has greater force acting on it?

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The correct Answer is:
C
Gravitational force acting on hollow ball is less than solid ball. Gravitational field strength on the Earth is more than that on the Moon.
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