Question

An astronaut orbiting the earth in a circular orbit 120 km above the surface of earth, gently drops a pen out of space ship. The pen will
(a) move towards the moon
(b) fall vertically down to the earth
(c) move along with space-ship
(d) move opposite direction of space-ship

Answer 1

An astronaut orbiting the earth in a circular orbit 120 km above the surface of earth, gently drops a pen out of space ship. The pen will ((c) move along with space-ship

Answer 2

The correct answer is option C) will move along the space ship.

You can understand this from the concept involved in- When a pen is dropped downwards, then its velocity is equal to the orbital velocity, where orbital velocity means the velocity of the revolving  body in a gravitational field. Here pen is less massive as compared to the space ship, therefore its velocity is relative to the space ship.