Question

when an iron ball and a wooden ball of the same radius are released from a height H in vacuum. why the times taken by both of them to reach the ground are exactly equal?

Answer 1

this is happening because body is dependent upon distance of the source it is not depend upon mass of body

and this also proved according to galelio law

example of pendulum

Answer 2

the time taken by the body during falling does not depends on the mass of body in vacuum.