Question

What is Inertia ?
where this word came from ?​

Answer 1

a tendency to do nothing or to remain unchanged.

Inertia comes from the Latin word, iners, meaning idle, sluggish.

Answer 2

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✨The resistance an object has to a change in its state of motion. Newton's conception of inertia stood in direct opposition to more popular conceptions about motion. The dominant thought prior to Newton's day was that it was the natural tendency of objects to come to a rest position.

✨Inertia is the force that holds the universe together. Literally. Without it, matter would lack the electric forces necessary to form its current arrangement. Inertia is counteracted by the heat and kinetic energy produced by moving particles.

$\textit{Hope this helps you}$

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