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Forces and Motion
All Vocabulary
Term | Definition |
---|---|
Distance | how far an object has traveled |
Parabola | the path of a falling object (arc) |
Newton's Second Law | the net force on an object is equal to the product of its mass and its acceleration (F = m x a) |
Newton's Third Law | for every action, there is an equal and opposite reaction |
Action Force | a force exerted on an object |
Acceleration | the rate at which an object’s speed and direction (its velocity) changes |
Reaction Force | the force exerted on an object experiencing an action force (equal, but opposite of the action force |
Energy | the ability to do work or cause change |
Kinetic Energy | moving energy |
Potential Energy | stored energy |
Force | a push or pull |
Motion | a change in position |
Speed | distance over time |
Velocity | speed in a particular direction |
Inertia | resistance to change in motion |
Friction | force that occurs when two surfaces rub together |
Gravity | force of attraction between masses |
Net Force | overall force acting on an object |
Newton’s First Law | an object at rest will stay at rest and an object in motion will stay in motion unless acted upon by an external force |
Mass | the amount of matter in an object |
Weight | the force of gravity on an object |