STANDARDPhysics-Gravitation
STANDARD Physics Variation of g with height MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A body weighs 72 N on the surface of the Earth. What is the gravitational force on it due to the Earth at a height equal to half the radius of the Earth?
A
16 N
B
28 N
C
32 N
D
72 N
Correct Answer
Option C
Detailed Explanation
At height h = Rₑ/2, the gravitational force is F = mg(4/9) = 32 N, as g at height h is g/9.
Found an issue with this question?