question_answer

  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 be affected?

Answer:

                  Weight of the object, Ifi.e., and          (1) Now, weight of the object               (1) Thus, weight of the object will become 16 times of its original weight.