NEET Physics Acceleration due to Gravity MCQ Question
In a diagram depicting acceleration due to gravity at a depth d below the Earth's surface, what change is observed in the gravitational force experienced by a point mass compared to the surface? Consider the Earth's radius as RE and the depth as d.
The gravitational force decreases due to a reduction in the mass considered for attraction.
The gravitational force increases as the depth increases, due to proximity to the Earth's core.
The gravitational force remains constant regardless of the depth.
The gravitational force increases linearly with depth.
Correct Answer
Detailed Explanation
The NCERT context indicates that only the smaller sphere of radius (RE - d) contributes to the gravitational force at depth d, leading to a decrease in force.
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