A weightless astronaut in an orbiting space vehicle is
A) shielded from Earth's gravitational effects.
B) beyond the pull of gravity.
C) without a support force.
D) all of the above
E) none of the above
Question 2
Earth satellites are typically more than 100-km high so as to mainly be above the Earth's
A) atmosphere.
B) gravitational influence.
C) both of these
D) none of the above