Question:
An astronaut standing on the surface of the moon throws a ball upwards. The ball would
(a) directly fall down from the point it is released
(b) hang in space
(c) go up and then, come back to the surface of the moon
(d) keep going up never to come back
Solution:
(c) The ball will go up and then comes down because at moon, acceleration due to gravity is less than that of the earth.