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Motion and Forces

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
Position   Describes the location of an object  
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Reference Point   A location to which you compare other locations  
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Motion   A change in position over time  
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Speed   A measure of how far something moves in a given amount of time  
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Vector   A quantity that has both size and direction  
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Velocity   Speed in a specific direction  
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Acceleration   The rate at which velocity changes  
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Centripetal Acceleration   Acceleration in a circular motion  
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Force   A push or pull  
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Net Force   The combination of all the forces acting on an object  
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Inertia   The tendency of all objects to resist a change in motion  
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Gravity   A force of attraction between objects due to their mass  
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Free Fall   When gravity is pulling something down and it is the only force acting on it  
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Orbit   When it travels around another object in space  
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Created by: joesmith129
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