Question

multiple choice question
the \weightlessness\ of a skydiver or astronaut is really

o the result of buoyancy from the atmosphere
o a situation in which there is no net force (of gravity) on the person
o a lack of perception of weight because they are in free fall

Explanation:

Weightlessness experienced by skydivers or astronauts is due to being in a state of free - fall. In free - fall, the only force acting is gravity, but there is no normal force opposing it, so they have no perception of weight. Buoyancy from the atmosphere is not the cause of this "weightlessness" and there is still a gravitational force acting on them.

Answer:

a lack of perception of weight because they are in free fall