The force needed to maintain a body at constant speed in outer space [far from all outside influences] is equal to
A) the force required to stop it.
B) the weight of the body.
C) zero.
D) the mass of the body.
E) None of the above.

Question

Quizplus · Accepted Answer

In outer space, far from external forces, an object in motion will continue at constant speed due to inertia, requiring no force to maintain its motion, according to Newton's first law of motion.

The Force Needed to Maintain a Body at Constant Speed