why does the moment of inertia for individual body segments tend to be lower about the twist axes than about the somersault and cartwheel axes?
Introduction:
Moment of inertia:
When a body resists angular acceleration, it has a certain amount of moment of inertia, which is calculated as the product of the mass of each particle times the square of the particle's distance from the rotational axis. Or, to put it another way,
it can be thought of as a parameter that determines the amount of torque required for a certain angular acceleration in a rotational axis. Rotational inertia and the angular mass are other names for the moment of inertia.
Typically, the moment of inertia is defined in relation to a specific rotational axis. The distribution of mass around the axis of rotation is the major determinant. The MOI varies according to the axis that is selected.
The moment of the inertia is expressed as,
Here,
m is the sum of the product of the mass
r is the distance
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