Question

boy has a mass of 40 Kg if the pull of gravity on one kg on the surface of the Earth is 10 Newton and at the surface of the moon is 1.6 Newton find a the weight of the boy on the earth surface B mass and weight of the boy on the Moon surface​

Answer 1

Answer:

(a) Weight of the boy at earth's surface = 392 N

(b) Weight of the boy at moon's surface = 64 N

Mass of the boy at the moon's surface is = 40 kg

Explanation:

As per the question,

Given data are:

Mass of boy, m = 40 kg

Value of g at earth's surface = 9.8 N

Value of g' at moon's surface = 1.6 N

(a) Weight of the boy at earth's surface is given by = mg

Therefore,

Weight of the boy at earth's surface = 40 × 9.8 = 392 N

(b) Weight of the boy at moon's surface is given by = mg'

Therefore,

Weight of the boy at moon's surface = 40 × 1.6 = 64 N

And,

Mass of the boy at the moon's surface is = 40 kg

( Since mass of any object is independent of the gravity pull, that's why it is constant.)

Explanation:

please follow.....

Answer 2

Answer:

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