Question

Amman weighs 81.5 N on the moon. If the acceleration due to gravity on the moon is 1.63m/s2 , find the mass of the man and his weight on the earth.

Answer 1

Answer:

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Answer 2

Answer:

Amman weighs 81.5 N on the moon. If the acceleration due to gravity on the moon is $1.63m/s^2$ , the mass of the amman is 50 kg and his weight on the earth is 490 N.

Explanation:

On moon, weight of Amman  = 81.5 N

g = 1.63 m/s²

so mg = 81.5

⇒ m = 81.5 / g

⇒ m = 81.5/ 1.63 = 50kg

on earth, g = 9.8 m/s²

weight on earth = mg = 50×9.8 = 490 N