Gravitation Question 62

Question: If both the mass and the radius of the earth decrease by 1%, the value of the acceleration due to gravity will [MP PET 2004]

Options:

A)Decrease by 1%

B) Increase by 1%

C) Increase by 2%

D) Remain unchanged

Show Answer

Answer:

Correct Answer: B

Solution:

As $ [g=\frac{GM}{R^{2}}] $ therefore 1% decrease in mass will decreases the value of g by 1%. But 1% decrease in radius will increase the value ofg by 2%. As a whole value of g increase by 1%.



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