Question

what is inertia of movement​

Answer 1

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Newton's first law of motion states that a body at rest remains at rest, or, if in motion, remains in motion at a constant velocity unless acted on by a net external force. This is also known as the law of inertia. Inertia is the tendency of an object to remain at rest or remain in motion.

Answer 2

➡ If a body is in a state of motion, then it will continue to move at the same speed in the same direction unless an external force is applied to change its state. ... On jumping, his feet touch the ground but the rest of the body still tends to remain in motion.