Force and Motion Vcabulary
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| acceleration | To change speed and/or direction per a unit of time ( sec. ,min., etc)
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| average speed | The total distance an object travels divided by the amount of time it took the object to travel that distance.
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| balanced forces | When the magnitude and direction of more than one force acting on an object results in zero net force.
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| force | A push or pull.
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| friction | A force that exists at the boundary between any two pieces of matter that are in contact with each other.
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| braking distance | The distance a vehicle travels from the moment the driver applies the brakes until the vehicle comes to a stop.
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| net force | Combined forces acting on an object.
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| kinetic energy | The energy an object has because of its motion.
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| speed | The rate at which an object moves.
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| inertia | An objects resistance to a change in its motion.
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| mass | The amount of matter in an object
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| stopping distance | The distance traveled during the driver's reaction time plus the braking distance.
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| reaction time | The interval between the moment a driver realizes that there is a problem and when the driver applies his brakes.
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| unbalanced force | When the magnitude and direction of more than one force acting on an object gives a net force unequal to zero.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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