Question

Imagine a spacecraft going from the earth to the moon. How does its weight vary as it goes from earth to the moon?

Answer 1

As the spacecraft moves from the surface of the earth towards the moon.

(i) its weight will start decreasing

(ii) it becomes zero at the point where the force of attraction on the spacecraft due to the earth and the moon will just become equal and opposite and

(iii) it will again start increasing as the spacecraft further moves towards the moon.