Question

Which of the following (one or more) are the experiences shared by Sunita Williams after her space journey?
A. ‘’We could not sit at one place. We kept floating in the spaceship from one end to another’’
B. ‘’Water doesn’t stay in one place. It floats around as blobs’’
C. ‘’There was no need to use a comb. My hair kept standing all the time’’
D. All of the above

Answer 1

There is negligible gravitation or zero gravity in space as it is not negligible in a vacuum. As objects in space lose their weight and become weightless and as though they are pieces of leaf or paper flying about.

Complete step by step answer:
As the force of gravity and attraction between bodies is zero in space, where there is constant floating in the spaceship in space from one point to another, water doesn’t stay at one place because it is also a form of matter.
It floats around as blobs and there was no need to comb the hair because they become straight and keep standing all the time.
Weight of the body on earth is more because gravity acts upon it and the weight will be the product of mass of body and acceleration due to gravity. Weight outside the earth is less than the weight when the body is on earth because of the absence of gravity.
From Isaac Newton law of universal gravitation and also escape velocity, where a body experiences weightlessness as a result of altitude or height from the earth surface and planet, we can say that all the options are the experiences shared by Sunita Williams.
Therefore, the correct option is Option D, all of the above.

Note: Such occurrences experienced by Sunita can be found in mountain climbing adventures and mountaineers who travel up tall mountains in search for treasures. Pressure also increases with height or altitude as when ascending away from the centre of the earth.