Weightlessness experienced while orbiting the Earth in International Space Station, is the result of
A
zero gravity
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B
free fall towards Earth
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C
inertia
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Solution
The correct option is B free fall towards Earth Weightlessness experienced while orbiting the Earth in International Space Station, is the result of free fall towards Earth. In free fall, there is no external normal force acting upon the body to cancel its weight because both spacestation and astronauts have equal acceleration(equal to g).