Question: Two concentric spherical shells with uniformly distributed masses M1 and M2 are situated as shown in Figure. Find the magnitude of the net gravitational force

Two concentric spherical shells with uniformly distributed masses M1 and M2 are situated as shown in Figure. Find the magnitude of the net gravitational force on a particle of mass m, due to the shells, when the particle is located at radial distance

(a) a,

(b) b, and

(c)c.

, b. ,

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