Question

define inertia and its formula
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Answer 1

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Inertia is a passive property and does not enable a body to do anything except oppose such active agents as forces and torques.

The formula for moment of inertia is the “sum of the product of mass” of each particle with the “square of its distance from the axis of the rotation”. The formula of Moment of Inertia is expressed as I = Σ miri2.

Answer 2

DEFINE

Inertia is a property of matter that causes it to resist changes in velocity (speed and/or direction). According to Newton's first law of motion, an object with a given velocity maintains that velocity unless acted on by an external force.

Formula

The inertia is directly proportional to the mass of the object or to the velocity if the object is in motion

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