Question

define:

Rigid Bodies

Moment of inertia​

Answer 1

Answer:

Rigid Bodies:

In physics, a rigid body (also known as rigid object) is a solid body in which deformation is zero or so small it can be neglected. The distance between any two given points on a rigid body remains constant in time regardless of external forces exerted on it.

Moment of inertia,:

a quantity expressing a body's tendency to resist angular acceleration, which is the sum of the products of the mass of each particle in the body with the square of its distance from the axis of rotation.

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Answer 2

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$\large{\boxed{\boxed{\mathbb{\blue{Rigid\: Bodies}}}}}$

These are the bodies that do not get the form during the motion or distance between any two points never changes.

$\large{\boxed{\boxed{\mathbb{\blue{Moment\:of\:Inertia}}}}}$

It is resistance to change in rotational motion.