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Waldo Ledner

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What is difference between polar moment of inertia and moment of inertia?

Polar moment of inertia of an area is a quantity used to predict an object's ability to resist torsion.Moment of inertia, also called mass moment of inertia or the angular mass, (SI units kg m2, Imperial Unit slug ft2) is a measure of an object's resistance to changes in its rotation rate.


What is the derivative of the moment of inertia with respect to the variable in question?

The derivative of the moment of inertia with respect to the variable in question is called the rate of change of moment of inertia.


What is the formula for calculating the moment of inertia of a hoop?

The formula for calculating the moment of inertia of a hoop is I MR2, where I is the moment of inertia, M is the mass of the hoop, and R is the radius of the hoop.


How do you determine the moment of inertia?

The moment of inertia of an object depends on its mass distribution and shape. For simple shapes, such as a point mass or a solid cylinder, mathematical formulas can be used to calculate the moment of inertia. For complex shapes, numerical methods or integration techniques may be necessary to determine the moment of inertia.


Is angular acceleration and torque per unit moment of inertia are equal?

In magnitude, yes. But that's a strange way of expressing it, since the angular acceleration is the product/result of the torque. Your statement seems in a way to confuse the dependent and independent variables. But the numbers are sound. L = Iα so L/I =α sure enough. It's the rotational analog of F = MA. The analogous statement would be to say that linear acceleration is equal to force per unit of mass. Relatively harmless, I guess.

Related Questions

What is the unit for a polar moment of inertia?

Moment of inertia has unit kg m2


What is the SI unit of inertia?

The unit of Inertia is kg and the Moment of Inertia is kg*m^2


What is difference between polar moment of inertia and moment of inertia?

Polar moment of inertia of an area is a quantity used to predict an object's ability to resist torsion.Moment of inertia, also called mass moment of inertia or the angular mass, (SI units kg m2, Imperial Unit slug ft2) is a measure of an object's resistance to changes in its rotation rate.


Can you find torque by time in moment of inertia?

Comparing linear and circular motion we can see that moment of inertia represents mass and torque represents force. So the product change in the circular momentum per unit time is torque. Circular momentum is the product of moment of inertia and circular velocity.


What is the domensions for moment of inertia?

Dimensional formula of moment of inertia = [ML2T0 ]


What is meant by moment of inertia in Induction motors?

The second moment of a force is called as moment of inertia.


What is the derivative of the moment of inertia with respect to the variable in question?

The derivative of the moment of inertia with respect to the variable in question is called the rate of change of moment of inertia.


What is the unit of inertia?

Since inertia is represented numerically by an object's mass. Unit of inertia in S.I UNIT is Kilogram


What is the formula for calculating the moment of inertia of a hoop?

The formula for calculating the moment of inertia of a hoop is I MR2, where I is the moment of inertia, M is the mass of the hoop, and R is the radius of the hoop.


Mass moment of inertia of a flywheel?

define moment of inertia§ I is the moment of inertia of the mass about the center of rotation. The moment of inertia is the measure of resistance to torque applied on a spinning object (i.e. the higher the moment of inertia, the slower it will spin after being applied a given force).


How do you determine the moment of inertia?

The moment of inertia of an object depends on its mass distribution and shape. For simple shapes, such as a point mass or a solid cylinder, mathematical formulas can be used to calculate the moment of inertia. For complex shapes, numerical methods or integration techniques may be necessary to determine the moment of inertia.


Is angular acceleration and torque per unit moment of inertia are equal?

In magnitude, yes. But that's a strange way of expressing it, since the angular acceleration is the product/result of the torque. Your statement seems in a way to confuse the dependent and independent variables. But the numbers are sound. L = Iα so L/I =α sure enough. It's the rotational analog of F = MA. The analogous statement would be to say that linear acceleration is equal to force per unit of mass. Relatively harmless, I guess.