Practice question
Question
What is the gravitational force on a 2kg mass inside a hollow spherical shell of mass 1000kg and radius 1m?
Explanation
Inside a hollow spherical shell, the gravitational force is zero due to symmetry (as per the shell theorem). F = 0N. As per NCERT, applying relevant law/formula with correct units and sign convention leads to 0 N. This satisfies dimensional consistency and physical conditions given, so option A is scientifically correct.
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