For the astronauts inside the orbiting space shuttle, there is no force of Earth's gravity acting on them. This statement is
A)always true while in orbit.
B)sometimes true while in orbit.
C)always false.

Question

Quizplus · Accepted Answer

Astronauts inside an orbiting space shuttle still experience Earth's gravity, which is what keeps the shuttle in orbit around the Earth. The sensation of weightlessness is due to the shuttle and its occupants being in free fall towards Earth, but continuously missing it because of their horizontal velocity.

For the Astronauts Inside the Orbiting Space Shuttle, There Is