Question

A particle of mass m and radius of gyration K is rotating with an angular acceleration
$\alpha$
.The Torque acting on the particle is

Answer 1

Torque=moment of inertia * alpha
=I*α
=MR² * α
for particle mass R=K
=MK² * α

Answer 2

T=Ia
T = torque
I= moment of inertia
=>I=mxk^2 (k= rad. of gyration)
final T=mx(k^2)
xa