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A mass m is placed in the cavity inside ...

A mass `m` is placed in the cavity inside hollow sphere of mass `M` as shown in the figure. The gravitational force on `m` is

A

`(GMm)/(R^(2))`

B

`(GMm)/(r^(2))`

C

`(GMm)/((R-r)^(2))`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D
Gravitational force is zero to symmetry
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