Question

no work is done in moving an object from one point to another on the surface of a spherical shell. explain.

Answer 1

On a spherical shell no. force act on d body to move one place to other so....no work is done by d body

Answer 2

No work is done in spherical shell.
because its displacement is 0.
as we know,
w= f s cos theta
so s=0
therefore there is no work done...

I hope it will be helpful.