Download the app

Questions  

A metallic rod is rotating on a frictionless horizontal plane about an axis passing through one of its end, If the angular velocity is doubled 

a
there will be no elongation in any case
b
elongation in rod will remain same
c
elongation in rod becomes two times of initial value
d
elongation in rod becomes four times of initial value

detailed solution

Correct option is D

Tension at any point is dependent on square of angular velocity.

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


Similar Questions

A bucket of mass ‘m’ tied to a light rope is lowered at a constant acceleration of ‘g/4’. If the bucket is lowered by a distance ‘d’, the work done by the rope will be (neglect the mass of the rope)


phone icon
whats app icon