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Q: How do you calculate equivalent Moment of inertia of a section made up of two different materials?
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Is angular acceleration proportional or inversely proportional to torque?

Proportional.For linear movement, Newton's Second Law states that force = mass x acceleration.The equivalent for rotational movement is: torque = (moment of inertia) x (angular acceleration).Proportional.For linear movement, Newton's Second Law states that force = mass x acceleration.The equivalent for rotational movement is: torque = (moment of inertia) x (angular acceleration).Proportional.For linear movement, Newton's Second Law states that force = mass x acceleration.The equivalent for rotational movement is: torque = (moment of inertia) x (angular acceleration).Proportional.For linear movement, Newton's Second Law states that force = mass x acceleration.The equivalent for rotational movement is: torque = (moment of inertia) x (angular acceleration).


How do you calculate the density of a metal ball without an overflow can or a graduated cylinder?

There are several methods that can be used to calculate the density of a metal ball. The density of a metal ball can be derived from the fact that the volume is: 4*(pi)*r^3/3 and the denisty is mass/volume. If the mass and moment of inertia are known but the dimensions of the metal ball are not, then you can use the fact that the moment of inertia of the ball is 2m*r^2/5 and solve for m to get r=(5I/2)^.5 and plug in the value for r into the volume equation then calculate the density of the ball by dividing the mass by the calculated volume.


How much greater is the inertia of a 1 kg mass to the inertia of a 4 kg mass?

4 times as great


Two masses are in the ratio 1 4 what is the ratio of their inertia?

The ratio is the same. Inertia depends entirely on mass.


What increase the moment of inertia?

A rotating body that spins about an external or internal axis (either fixed or unfixed) increase the moment of inertia.

Related questions

How can you calculate the inertia constant for ac generator?

Calculating system inertia by mutiplying the Inertia Time Costant [Sgn] of every single generator to calculate the inertia of the generator and sum all inertias to calculate the whole system inertia Calculating system inertia from the RoCoF (post fault calculation)


What is the purpose calculating moment of inertia?

Inertia is affected by an outside force. So if you calculate the moment of inertia, you calculate the magnitude and possibly the direction of the outside force. You can use this to determine acceleration.


How do you calculate the stress of a glass?

Same as any other material. Glass has a thickness,inertia, area, modulus, etc. like all materials. If u mean strength of glass, ask again


What is the relationship between momentum and inertia?

I guess that momentum is part of the inertia, inertia is composed of momentum as the pages are related to the book. Inertia will be different if it has different kind of momentum. Force will affect momentum so inertia will change.


What would cause objects that have the same mass to have different amounts of inertia?

Different velocities is what causes objects to have the same mass and different amounts of inertia. This can be written in a formula.


How do you calculate inertia?

Inertia is the resistance of any object (in a physical state) to change pressed upon its current movement. It can be found by the Formula F=ma.F being force in relation to inertia, M being Mass, A is Acceleration.


What are different types of inertia?

(1) The general concept of inertia, according to newton's first laws, concerning objects' masses when it comes to resistance. (2) Rotational inertia (3) Gyroscopic inertia


What are the different types of inertia?

(1) The general concept of inertia, according to newton's first laws, concerning objects' masses when it comes to resistance. (2) Rotational inertia (3) Gyroscopic inertia


Calculate the moment of inertia for a frisbee mass 0.40kg radius 12cm?

.00288 kgm^2


How is force and inertia the same?

Force and inertia are not the same. They are quite different. They do both have a relationship to the motion of objects having mass.


How can the inertia be destroyed?

Inertia can not be destroyed, because inertia is a form of energy and energy can not be created or destroyed it is changed into a different form of energy like light, heat, chemical, or physical energy.


Accelerometers measure acceleration. How do you measure the moment of inertia?

You calculate it using your moment of inertia equations corresponding to the geometry of the object. There's no simple device I don't think that you can buy to just measure it.