A point mass m is placed inside a spherical shell of radius R and mas – McqOptions

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1.	A point mass m is placed inside a spherical shell of radius R and mass M at a distance R/2 from the centre of the shell. The gravitational force exerted by the shell on the point mass is ___________
A.	GMm/R2
B.	GMm/R
C.	Zero
D.	4GMm/R2
Answer» D. 4GMm/R2

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