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# LSH Pscience Unit 2C

### Newton's Laws

TermDefinition
Newton's 1st Law of Motion Objects don't accelerate unless an unbalanced force acts on them
Inertia A property of matter that resists acceleration
Newton's 2nd Law of Motion Force = Mass x Acceleration
Gravity The attractve force between all objects that increases with mass and decreases with distance
Weight The force of gravity pulling on the mass of an object
Centripetal Acceleration Acceleration toward the center of a curved path
Centripetal Force The force that pulls toward the center of a curved path
The Law of Inertia All objects will keep a constant velocity unless forced to accelerate
Newton's 3rd Law of Motion Every force applied to an object has an equal, opposite, and simultaneous reaction force applied back from the object
Weightlessness An effect caused by something in free fall having no measurable weight while falling
Mass How much matter is in an object
Momentum Mass of an object x its velocity
Law of Conservation of Momentum Momentum does not change if transferred between objects