Question

what is inertia defined as​

Answer 1

Answer:

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Inertia is the resistance of any physical object to any change in its velocity. This includes changes to the object's speed, or direction of motion. ... Inertia comes from the Latin word, iners, meaning idle, sluggish.

Answer 2

Answer:

Inertia is the resistance of any physical object to any change in its velocity. This includes changes to the object's speed, or direction of motion. An aspect of this property is the tendency of objects to keep moving in a straight line at a constant speed, when no forces act upon them