Multiple Choice
How much gravitational force acts on an astronaut in the Space Shuttle in a circular orbit 300 km above Earth's surface?
A) almost zero, but not quite
B) exactly the same as when the astronaut is standing on the surface of Earth
C) zero-the astronaut is weightless
D) almost (but not quite) as much as when the astronaut is standing on the surface of Earth
Correct Answer:

Verified
Correct Answer:
Verified
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