A ball of mass and a block of mass are rolling with the same velocity on a…
PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A ball of mass 1kg and a block of mass 4kg are rolling with the same velocity on a friction-free floor.
Both are to be brought to rest in the same time interval.
What is the ratio of the magnitudes of the forces that must be applied to the ball and the block, respectively?
(a) 1:2
(b) 4:1
(c) 1:4
(d) 1:1