Question

IVS
Q10.
Р
ARR
A solid sphere of uniform density and radius R applies a gravitational
force of attraction equal to F, on a particle placed at P, distance 2R
from the centre of the sphere. A spherical cavity of radius R/2 is now
made in the sphere as shown I fig. The sphere with cavity now
applies a gravitational force F2 on the same partiule placed at P. Find
the ratio F2/F1.​

Answer 1

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