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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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