Two balls a `A` and `B` of same size are dropped from the same point under gravity. The mass of `A` is greater than that of `B`.If the air resistance acting on each ball is same, then

Options

A. both the balls reach the ground simultaneously
B. the ball `A` reaches earlier
C. the ball `B` reaches earlier
D. nothing can be said

Answer

B

Explanation

`a = (m g - F)/(m) = g - (F)/(m)`

:. `a_(A) gt a_(A)` and `A` will reach earlier