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what is physical significance of moment of inertia.....????

what is physical significance of moment of inertia.....????

Grade:12

2 Answers

Pawan Prajapati
askIITians Faculty 9723 Points
one year ago
Answer :

moment of inertia is the rotational equivalent of mass. it is given by I= Mk2
moment of inertia in rotational motion play the same role as mass in linear motion, that is in linear motion f = ma while in rotation, torque= I*Angular acceleration where I is the moment of inertia.

Thanks
saransh jain
18 Points
8 months ago

Answer:

The physical significance of the moment of inertia is similar to the mass in the translational motion. In translational motion, the mass of a body is used for measuring inertia. As the mass increases, inertia becomes larger. The force required for producing the linear acceleration will also increase.

In rotational motion, the greater the moment of inertia, angular acceleration will require more torque.

It is important to understand that the moment of inertia depends on three factors, and they are:

  • Mass of the body
  • Shape, size, and density of the body
  • The position of the axis of rotation

The factor depends on the moment of inertia

Moment of inertia is independent of the following factors:

  • Torque
  • Angular momentum
  • Angular velocity
  • Angular acceleration

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