Weight of a body is found less at the top of a mountain than at the bottom of it, why?

Ans: As we know that: weight(w)= mass(m)×accelearation due to gravity(g)

The value of ‘g’ is more at the bottom of a mountain due to less radius and less at the top of the mountain due to more radius (•.• g is inversly proportional to square of the radius) . Therefore, the weight of an object is less at the top of mountain than at bottom.