Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements about gravitational forces and masses is correct?
A
Gravitational force between two point masses is independent of their distance.
B
A spherical shell of uniform density exerts no gravitational force on a mass located inside it.
C
The gravitational force exerted by a sphere on an external point mass is equal to the force exerted by its entire mass concentrated at the center.
D
The gravitational force acting on a mass placed at the centroid of three equal masses arranged in a triangle is zero.
Correct Answer
Option B
Detailed Explanation
According to the NCERT context, a spherical shell of radius greater than r exerts no gravitational force on a mass located at a point inside it. This is a consequence of the shell theorem.
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