Now, perform the same experiment again in glass jar from which air has been sucked out. Check again if both the paper and stone reach the bottom of glass har simultaenously.
explain why , if the answer is 'yes' and why not , if the answer is 'no'.
what conclusion do you draw from this activity ?

Explanation

When air from glass jar is sucked out and the experiment is repeated, both, the paper sheet and stone reach the bottom of glass jar simultaneously. This is because air resistance to motion does not exist and acceleration due to gravity acting on both is the same.
from this activity, we conclude that value of acceleraation due to gravity is independent of mass of the body.