An astronaut orbiting the Earth in a circular orbit at a constant speed does not feel the force of gravity because his or her acceleration is zero.

Question

Quizplus · Accepted Answer

An astronaut in orbit is in free fall, experiencing acceleration due to gravity, but does not feel it because both the astronaut and the spacecraft are accelerating at the same rate, creating a sensation of weightlessness.

An Astronaut Orbiting the Earth in a Circular Orbit at a Constant