Question

If mass speed and radius of rotation of a body moving in a circular path are all increased by 50%, the necessary force required to maintain the body moving in the circular path will have to be increased by

(a) 225%

(b) 125%

(c) 150%

(d) 100%

Answer 1

Correct Option (b) 125%

Explanation:

Centripetal force F = mv2/r

If m, v and r are increased by 50% then let new force

Percentage increase in force