does Anyone knows moment of inertia of semicircle about centre of mass?????
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apply the theorem of the parallel axis and the distance between the centre of mass and centre is 2R/pi where R= radius,
now
Icm=I0−M(2R/π)^2
and I0 = MR2
so the moment of inertia about centre of mass of semicircle is
=MR^2[1−4/π^2]
now
Icm=I0−M(2R/π)^2
and I0 = MR2
so the moment of inertia about centre of mass of semicircle is
=MR^2[1−4/π^2]
RatanBhaskar:
is this for semi circular disk or a ring
ring
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