A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? (a) They must have the same volume (b)They must have the same density (c) They must have the same mass (d) They must be dropped in vacuum
option D. When a bit of paper and a cricket ball are dropped from the identical height, they attain the floor at exceptional time due to the fact the form of the paper is extra flat and it behaves like a parachute inflicting greater air resistance appearing on it with appreciate to the ball. But, with a purpose to attain the floor on the identical time through each the articles, they need to be dropped in vacuum. It is due to the fact in vacuum there may be no different pressure apart from pressure of gravity taking place on them and this results in a end that each the object reaches on the equal time.
