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MechanicsDefinitions

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
show A quantity that can be measured, or calculated, and expressed in numbers  
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show A quantity with magnitude only, not direction  
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Distance   show
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show An object's overall change in position  
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show Used to measure the duration of an event or the interval between events  
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Speed   show
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show A quantity with both magnitude and direction  
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show Rate of change of displacement with respect to time  
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show Rate of change of velocity with respect to time  
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Mass   show
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Momentum   show
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show That which causes acceleration  
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Acceleration due to gravity   show
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show A force equal to the product of mass and acceleration due to gravity  
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show The point at which the whole weight of a body appears to act  
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show A force that opposes the motion of a body  
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show The force multiplied by the perpendicular distance to the fulcrum  
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Lever   show
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Couple   show
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Torque of a Couple   show
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Density   show
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show Force per unit area  
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Buoyancy   show
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show Product of force and displacement  
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show Ability to do work  
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Kinetic Energy   show
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show Energy a body has due to its position  
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show Rate at which work is done  
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Radian   show
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show Rate of change of angle with respect to time  
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Linear Velocity   show
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Periodic Time   show
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Centripetal Acceleration   show
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Centripetal Force   show
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Elastic Constant   show
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show Ability of a body to resist a distorting influence or stress and to return to its original shape and size when the stress is removed  
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Simple Harmonic Motion   show
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show Maximum distance an object moves away from its equilibrium position  
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show Number of revolutions, cycles or oscillations an object completes per unit time  
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show Time taken for one complete revolution, cycle or oscillation  
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Created by: conordesmond
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