What are the moment of inertia and product of
inertia ?
Answers
Answer:
Product of inertia can be positive or negative value as oppose the moment of inertia. The calculation of the product of inertia isn't different much for the calculation of the moment of inertia. The units of the product of inertia are the same as for moment of inertia.
Explanation:
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Answer:
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Explanation:
moment of inertia:
Moment of inertia, in physics, quantitative measure of the rotational inertia of a body—i.e., the opposition that the body exhibits to having its speed of rotation about an axis altered by the application of a torque (turning force). The axis may be internal or external and may or may not be fixed.
product of inertia :
The product of inertia of area A relative to the indicated XY rectangular axes is IXY = ∫ xy dA (see illustration). The product of inertia of the mass contained in volume V relative to the XY axes is IXY = ∫ xyρ dV—similarly for IYZ and IZX.
Product of inertia of an areaenlarge picture
Product of inertia of an area
Relative to principal axes of inertia, the product of inertia of a figure is zero. If a figure is mirror symmetrical about a YZ plane, IZX = IXY = 0. See Moment of inertia