Two astronauts are playing catch with a ball in space. The first astronaut throws the ball; and

Question

Responses
A the ball moves, but the astronaut doesn’t.the ball moves, but the astronaut doesn’t.
B the ball moves, and so does the astronaut.the ball moves, and so does the astronaut.
C the ball doesn’t move, but the astronaut does.the ball doesn’t move, but the astronaut does.
D the ball doesn’t move, and neither does the astronaut.the ball doesn’t move, and neither does the astronaut.

Answer 1

The correct response is:

B the ball moves, and so does the astronaut.

In space, if an astronaut throws a ball, both the ball and the astronaut will move due to the principle of conservation of momentum. When the astronaut exerts force on the ball, it imparts an equal and opposite force on the astronaut, causing both to move.