Is it true that inertia is the quality of a body that, regardless of whether it is at rest or in motion, will remain the same until some external force is applied to alter it?

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True

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answer is A.

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Detailed Solution

The above statement is True.
The law of inertia is also called Newton’s first law of motion and inertia is defined as the property of the body. If the body is in motion or body is at rest it will remain the same as early until any external force is applied to change its state of rest or motion. Unless a force acting against an item at rest is unbalanced, it will remain at rest. Similar to this, unless an outside force acts upon it, an object will continue to move in the same direction and at the same pace. Inertia is the propensity of an object to resist a change in motion. The inertia increases with increasing item mass.

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