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in Physics by (75.1k points)
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A point mass m is placed inside a spherical shell of radius R and mass M at a distance `R/2` form the centre of the shell. The gravitational force exerted by the shell on the point mass is
A. `(GMm)/( R^(2))`
B. `(2GMm)/(R^(2))`
C. zero
D. `(4Mm)/(R^(2))`

1 Answer

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by (67.6k points)
 
Best answer
Correct Answer - C
( c) If a point mass is placed inside a uniform spherical shell, the gravitational force on the point mass is zero. Hence, the gravitational force exerted by the shell on the point mass is zero.

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