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| an object at rest remains at rest and an object in motion maintains its velocity unless it experiences a net force |
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| tendency of an object to resist a change in motion unless an outside force acts on the object |
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| the unbalanced force acting on an object equals the objects mass times it acceleration |
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| net force = mass x acceleration |
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| the acceleration of an object is directly proportional to the net force on the object and inversely proportional to object's mass |
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| newtons second law equation |
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| acceleration= netfore/mass |
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| a measure of the gravitaional force extended on an object |
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| weight= mass x free fall acceleration |
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| law of universal gravitaion |
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| all objects in the universe attract each other through the force of gravity |
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| uiversal gravitation equation |
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| the motion of a body when only the force of gravity is acting on a body |
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| the constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity |
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| the curved path that an object follows when thrown, launched or otherwise projected bear the surface of earth |
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| for every action force, there is an equal and opposite reaction force |
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| the force exerted on an object |
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| a quanitity defined as the product of the mass and velocity of an object |
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| momrntum= mass x velocity |
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| law of conservation of momentum |
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| the total amount of momentum in an isolated system is conserved |
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