A spherical shell has inner radius R1, outer radius R2, and mass M, distributed uniformly throughout the shell. The magnitude of the gravitational force exerted on the shell by a point mass m a distance d from the center, inside the inner radius, is:
A) 0
B) 
C) GMm/d2
D) 
E) GMm/(R1 - d) 2
Correct Answer:
Verified
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