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

Question

Quizplus · Accepted Answer

The statement is always false because astronauts inside an orbiting space shuttle are still under the influence of Earth's gravity; it's the reason they are in orbit around the Earth. The sensation of weightlessness is due to the shuttle and its occupants being in free fall towards Earth, but with enough tangential velocity to keep missing the Earth.

For the Astronauts Inside the Orbiting Space Shuttle, There Is