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# Laws of Motion

TermDefinition
Simple machines make work easier for us by allowing us to push or pull over increased distances.
Gravity is a force that causes objects to pull towards Earth.
Weight is a pull of gravity on an object.
Mass is the amount of matter in an object.
Force A push or pull.
Friction the force between two objects when they rub together.
Energy The ability to do work
Kinetic Energy The energy of MOTION
Potential Energy Energy due to position or stored energy
Inertia the tendency of objects to resist change in motion
Newton's 1st Law or The Law of Inertia An object at rest will stay at rest and an object in motion will stay in motion unless acted on by an outside force. (Or...Things want to keep on doing what they are doing!)
Acceleration Any change in the movement of an object. (A change in speed and/or direction).
Newton's 2nd Law The amount of force needed to move an object depends on its mass and acceleration. (Or...F = MA)
Newton's 3rd Law Every action has an equal and opposite reaction.
Created by: jhulshoff

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