Question

Ques 4 (a) How does the weight of an object vary with respect to mass and
radius of the earth. In a hypothetical case, if the diameter of the earth
becomes half of its present value and its mass becomes four times of its
present value, then how would the weight of any object on the surface of the
earth affected?
(3)​

Answer 1

Explanation:

When diameter of earth becomes half, its radius R also become half, its radius R also become half i.e.,R′=R/2 and its mass becomes four times i.e.,M′=4M. i.e., the weight of the same object would become 16 times its original weight.

plz mark me as brainlist