The weight of a body on the surface of the earth is 100 N. The gravitational force on it when taken at a height, from the surface of earth, equal to one-fourth the radius of the earth is:
Text Solution
Verified by ExpertsThe correct answer is:
A
The acceleration due to gravity changes as one goes to a height from the surface of the earth.
Let the new acceleration due to gravity be g’. The formula for acceleration due to gravity at a height is given by 
The weight of the body on surface is W = mg = 100 N
The weight at the given height is W = mg’
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