Question

Try this: a thin ring of radius \(r\) is made of a material of density \(\rho\) and Young's modulus \(Y\). If the ring is rotated about its centre in its own plane with angular velocity \(\omega\), find the increase in its radius.

Answer 1

ok

Answer 2

@Astrophysics pls

Answer 3

let us look at a very small section of the ring.