A Spherical Shell Has Inner Radius R₁, Outer Radius R₂

question 6

Multiple Choice

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 particle of mass m, located a distance d from the center, outside the inner radius and inside the outer radius, is:

• A)0
• B)GMm/d²

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