Question

If the mass of a boy on the surface of earth is 30 kg, then his mass on the surface of moon will be what?

(a) 5kg. (b) 30 kg. (c) 180 kg. (d) zero

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Answer 1

at moon , value of g =1/6 times that of earth.

so, its weight on moon = 30/6 = 5kg

Answer 2

The correct answer is 30 kg
Because mass remain constant and doesn't change...