Relation between moment of inertia and angular moment
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Angular momentum is the rotational equivalent to linear momentum. Angular momentum is the product of an object's moment of inertia and its angular velocity. Both quantities must be about the same axis, the rotation line.
Explanation:
Angular momentum L= r×p
L=r×mv
L=m(r×v)
multiply and divide by r²
L=mr²(r×v)/r²
as mr²=I (moment of inertia) and (r×v)/r² =ω (angular velocity)
so L=Iω
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