Using the Universal Law of Gravitation, calculate the force of gravity between the Moon and the Earth.
Calculate the weight of a 90 Kg person standing on the surface of the moon.Can someone explain to me how to work out this problem?
Roughly, when a person is on the moon, he/she would weight 1/6 of his/her weight on earth.
so, 1/6 x 90 Kg = 15 Kg
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