If the Earth suddenly disappears, then in which direction will the Moon begin to move if no other celestial body affects it?
Suppose gravity of earth suddenly becomes zero then in which direction will the moon begin to move if no other celestial body affects it?
State the source of centripetal force that a planet requires to revolve around the sun. On what factors does that force depend? Suppose this force suddenly becomes zero, then in which direction will the planet begin to move if no other celestial body affects it?