INERTIA

Inertia is the property of matter that cause it to resist any change in its motion or state of rest

An Object in Motion

INERTIA makes the moving object continue to move at a constant speed in the same direction unless some external force changes the object’s motion

If the object is moving….

An Object at Rest

A Coin at Rest

It tends to stay in that position unless some force puts that object into motion

If an object is at rest…

Inertia is not physical quantity and thus it does not have units

The property of inertia is found from the Newton’s first law of motion

Newton’s First Law of Motion

"An object at rest tends to stay at rest and an object in motion the same speed and in the same direction tends to stay in motion with unless acted upon by an unbalanced force"

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