The force required to maintain a constant velocity for an astronaut in free space is equal to
A)zero.
B)the mass of the astronaut.
C)the weight of the astronaut.
D)the force required to stop the astronaut.
E)none of the above

Question

Quizplus · Accepted Answer

According to Newton's First Law of Motion, an object at rest or in motion at a constant velocity will continue to do so unless acted upon by an external force. Therefore, in free space where there is no external force acting on the astronaut, no force is required to maintain a constant velocity.

The Force Required to Maintain a Constant Velocity for an Astronaut