JEE Main Physics question
A particle is moving in a circle of radius with constant speed . If radius is doubled, the centripetal force needed to keep the same speed should be
Answer: (B)
Solution
; doubling (with fixed) halves .
A particle is moving in a circle of radius with constant speed . If radius is doubled, the centripetal force needed to keep the same speed should be
; doubling (with fixed) halves .