What is the Moment Of Inertia Of A Cylinder
Answers
Answer:
To find the moment of inertia of a solid cylinder along its height, we can use the folding method that if we compress the cylinder along its height (central axis), then it is converted into a disc but its mass distribution remains the same about the central axis. Hence its moment of inertia about its height is equal to the moment of inertia of the disc about an axis passing through its centre and perpendicular to its plane.
∴ I
SolidCylinder
=I
Disc
⟹ I
SolidCylinder=1/2mr^2
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Moment of inertia is a measure of inertia of the body when the body is rotating about an axis.
It is found by summation of mass * square of radius of gyration for all particles in the object.
Moment of inertia plays a part ,similar to mass in linear kinetics, in rotaional dynamics.