Question

(a) The Earth may be considered to be a uniform sphere of radius 6.37 x 10km with its mass
of 5.98x1024 kg concentrated at its centre. The Earth spins on its axis with a period of
24.0 hours.
(1) A stone of mass 2.50 kg rests on the Earth's surface at the Equator.
1. Calculate, using Newton's law of gravitation, the gravitational force on the stone.
gravitational force =
N[2]

Answer 1

Answer:

1.

Gravitational force F = Gm1m2 / x2

F = (6.67×10–11 × 2.50 × 5.98×1024) / (6.37×106)2

F = 24.6 N

Explanation:

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