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Definition
| the amplitude of motion is increased by the repeated application of a force when the time between the applications is equal to the period of oscillation |
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| The vector sum of two or more forces acting on an object is |
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| when then net force on an object is zero |
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| the horizontal force exerted on one surface by another when the two surfaces are not in relative motion |
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| the acceleration of a body is directly proportional to the net force on it and inversely proportional to its mass |
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| the force exerted by a scale on an object |
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| a force that acts on an object by touching it |
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| the two forces in an interactive pair act on different objects and are equal in magnitude and opposite in direction |
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| the world outside a system |
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| an attractive force that exists between all objects |
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| An object that is at rest will remail at rest or an object that is moving will continue to move in a straight line with constant speed, if and only if the net force acting on the object is zero |
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Definition
| the horizontal force exerted on one surface by another when surfaces are in relative motion |
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| a defined object or group of objects |
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| the tendency of an object to resist changes in its motion |
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| the specific identifiable cause of a force |
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| the time to repeat one complete cycle |
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| a force that is exerted without contact |
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| in any periodic motion, the maximum displacement from equilibrium |
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| two forces that are in opposite directions and have equal magnitudes |
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| a dot represents an object and arrows represent each force acting on it with their tail on the dot and their points indicating the direction of the force |
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Definition
| the force that restores an object to its equilibrium position is directly proportional to its displacement |
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| the constant velocity that a falling object reaches when the drag force equals the force of gravity |
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| when an object's apparent weight is zero |
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