# Newton’s Three Laws of Motion

Jun 17th, 2015
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1. The First Law of Motion/Law of Inertia -“An object at rest will remain at rest unless acted on by an unbalanced force. An object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force.” -This means that there is a natural tendency of objects to keep on doing what they're doing.

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PHYSICS 201PRELIMSI. Force and Motion A. Newtons Three Laws of Motion 1. The First Law of Motion/Law of Inertia-An object at rest will remain at rest unless acted on by an unbalanced force. An object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force.-This means that there is a natural tendency of objects to keep on doing what they're doing. All objects resist changes in their state of motion. In the absence of an unbalanced force, an object in motion will maintain this state of motion.2. The Second Law of Motion-Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).- Everyone unconsiously knows the Second Law. Everyone knows that heavier objects require more force to move the same distance as lighter objects.-However, the Second Law gives us an exact relationship between force, mass, and acceleration. It can be expressed as a mathematical equation: FORCE = MASS times ACCELERATIONExample: Mike's car, which weighs 1,000 kg, is out of gas. Mike is trying to

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