Inertia: An object's resistance to a change in motion.
What is Inertia?
Inertia is a property of matter that causes it to resist changes in velocity . According to Newton's first law of motion, an object with a given velocity maintains that velocity unless acted on by an external force.
Inertia is the property of all matter by which it tends to remain in constant, uniform motion until it's acted on by an external force.
Isaac Newton developed the principles shown in Galileo's observations into his first law of motion. It takes a force to stop the ball from continuing to roll once it is set in motion. It takes a force to change its speed and direction.
It doesn't need a force to continue moving at the same speed in the same direction. The first law of motion is often referred to as the law of inertia.
The resistance of an object to moving or to stopping is inertia. Inertia is a one-word explanation of Newton's first law of motion
Therefore, An object's resistance to a change in motion is Inertia.
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