Q932
Why is weightlessness experienced while orbiting the earth in space ships ?
A.
Inertia
B.
Acceleration
C.
Zero gravity
D.
None of these
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Earth-orbiting astronauts are weightless for the same reasons that riders of a free-falling amusement park ride or a free-falling elevator are weightless. They are weightless because there is no external contact force pushing or pulling upon their body.