Question

A piece of paper and a coin are dropped from the same height simultaneously. The coin reaches the ground first and paper take some times in reaching to the ground. if we crumple up the piece of paper in form of a ball and let the two drop from the same height again they reaches the ground almost at the same time. explain the science behind this activity in 40 to 50 words

Answer 1

The peice of paper when in the open state have much more surface area than in the case in which it is crumpled,As we know that the Buoyant force(a property exerted by fluid) depends upon The surface area.Therefore more surface area will result in more buoyant force and the Paper will take time to reach tge surface than compared to when it is crumpled