Define moment of inertia for both discrete particles and for continuous object.
Answers
Answer:
The moment of inertia, otherwise known as the mass moment of inertia, angular mass, second moment of mass, or most accurately, rotational inertia, of a rigid body is a quantity that determines the torque needed for a desired angular acceleration about a rotational axis, akin to how mass determines the force needed for a desired acceleration. It depends on the body's mass distribution and the axis chosen, with larger moments requiring more torque to change the body's rate of rotation.
Moment of inertia
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Flywheels have large moments of inertia to smooth out rotational motion.
Common symbols
I
SI unit
kg m2
Other units
lbf·ft·s2
Derivations from
other quantities
Dimension
M L2
Explanation:
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Answer:
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