Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-numerical-Hard-Class 11
A body weighs 63 N on the surface of the Earth. Calculate the gravitational force acting on it due to the Earth when it is at a height equal to half the radius of the Earth.
A
28 N
B
42 N
C
56 N
D
63 N
Correct Answer
Option B
Detailed Explanation
At a height equal to half the radius of the Earth, the gravitational force is calculated using the formula F = mg/(1 + h/R)^2, where h = R/2. This results in a force of 42 N.
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