Gravitation Question 22

Question: The moon’s radius is 1/4 that of the earth and its mass is 1/80 times that of the earth. If g represents the acceleration due to gravity on the surface of the earth, that on the surface of the moon is [MP PMT 1997; MP PET 2000, 01; RPET 2000; Pb. PET 2001]

Options:

A) g/4

B) g/5

C) g/6

D) g/8

Show Answer

Answer:

Correct Answer: B

Solution:

Using $ [g=\frac{GM}{R^{2}}] $

we get $ [g_{m}=g/5] $



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