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Per NCERT §7.5 (shell theorem), the gravitational force on a particle OUTSIDE a uniform sphere of mass M is as if M were where?
AAt the point closest to the particle
BDistributed uniformly throughout
CAt the centre of the sphere
DSpread out along the surface
Answer & Solution
Correct answer: C. At the centre of the sphere
NCERT §7.5: outside a spherically symmetric mass, gravity = G M m / r² as if M were concentrated at the centre.
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