Gravitation Question 21

Question: If the earth suddenly shrinks (without changing mass) to half of its present radius, the acceleration due to gravity will be [MNR 1998]

Options:

A) g/2

B) 4g

C) g/4

D) 2g

Show Answer

Answer:

Correct Answer: B

Solution:

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

If radius shrinks to half of its present value then g will becomes four times.



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