A string of length 1.5 m is tied to a stone of mass of 0.2 kg and is made to revolve at a speed of 1.2 m s−1. What is the centripetal force experienced by the stone?
The correct option is A 0.192 N
Mass of the stone, m=0.2 kg
Length of the string, r=1.5 m
Speed of revolution, v=1.2 m s−1
Centripetal force, F=mv2r=0.2×(1.2)21.5=0.2881.5