Gravitational force exists between the sun and the Earth.
5.1 State Newton’s law of Universal Gravitation in words. (2)
5.2 The mass of the sun is 330 000 times greater than that of the Earth. The
distance between the centres of the sun and the Earth is 1,38 x 109 m.
Calculate the gravitational force that the sun exerts on the Earth. (4)
5.3 How will the gravitational force that the Earth exerts on the Sun compare to
the answer to QUESTION 5.2? Write only GREATER THAN, LESS THAN OR
EQUAL TO. Give a reason for the answer. (2)
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