Question

Rohan took two identical sheets of paper. He crumbled the first sheet into a tight

paper ball. He then dropped the crumbled paper ball and the paper sheet from

equal heights above the ground at the same time. He found that the crumbled ball

fell on the ground first.

a) Which force did Rohan apply to crumble the paper sheet?

b) Which force pulled the paper ball towards the ground?

c) Why the crumbled paper ball fall faster in comparison to paper sheet?

d) State any one factor on which fluid friction depends.​

Answer 1

a. don't know

b. gravitational force

c. because the paper ball was having more mass then the sheet of paper.

d. Fluid friction depends on speed, shape and nature of fluid.

I hope it helps you