Rotational Inertia and Equilibrium
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7 Terms
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Rotational inertia I represents
an objects resistance to angular acceleration
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For a point particle rotational intertia is
MR²
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Ac complicated objects rotational intertia may be given
by an equation relating mass and radius
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The total rotational inertia of a collection of objects about an axis
Itot=SIGMAmir²i
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An objects rotational inertia is the smallest
When the axis passes through the center of mass of the object
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The parallel axis theorem
I’=Icm+Md
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Rotational equilibirium
net torque of the system equals 0
Note 
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