In a video shown to students, a pumpkin and a feather was dropped from same height, same place and same time inside a huge vacuum chamber. (a) Will both these objects reach the ground at different time or at the same time? Give reason. (b) What will happen if the same experiment will be done outside the vacuum chamber? (c) Why does a sheet of paper take more time to reach the ground when compared to a sheet of crumbled to a ball?
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(a) Both the objects will reach the ground at the same time. This is because the in the vacuum there is no air resistance. The feather and the pumkin both fall at the same time due to acceleration due to gravity.
(b) If the experiment is done outside the vacuum chamber then the feather will take time to fall rather than the pumkin. This is due to fact there is air resistance.
(c) Crumbled paper has much more mass than the crumbled ball. This causes crumble d paper to receive more air resistance than the crumbled ball.
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