IIT (NTSE/Olympiad)  

Circular Motion & Rotational Dynamics

Formulae For The Moment of Inertia of Regular Bodies

SPECIAL POINT
(a)Moment of inertia of square plateI1 = I3 = I4 = , I5 =
(b)Momentum of inertia of cube I1 =
I2 =
(c)In a triangle, M.I. will be maximum relative to smallest sideIf AC > BC > AB, IAC > IBC > IAB
(d)In triangle , M.I. will be maximum relative to that perpendicular axis which passes through least angle.If θ1 < θ2 < θ3, I1 > I2 > I3
(e)Greater the mass away from axis of rotation, more will be MI


IIT (Class X)

  • WORK, POWER, ENERGY & CONSERVATION LAWS