7th grade Force and Motion Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Archimedes' Priciple | The rule that the bouyant force on a object is equal to the weight of the fluid the object displaces
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| Bernoulli's Principle | The rule that a stream of fast-moving fluid exerts more pressure than the surronding fluid
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| Bouyant force | The upward force exerted by a fluid on a submerged object
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| Centripetal Force | A force that causes an object to move in a circle
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| effciency | The percentage of work that is converted to output work
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| Inertia | The tendencey of an object to resist in any change of it's motion
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| Mechanical Advantage | The number of times a machine increases force exerted on it
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| net force | The overall force of an object when all the individual forces acting on it are added together
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| newton | A unit of measurethat equals the force required to accelertae one kilogram of mass at one meter per second
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| pascal | A unit of measure equal to one unit per square measure
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| Pascal's Priciple | The rule that when a force is applied to a confined fluid, the increase in pressure is transmitted equally throughout the fluid
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| rolling friction | Friction that occurs when an object rolls over a surface
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| sliding friction | Friction that occurs when one solid surface slides over another
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| terminal velocity | The greatest velocity a falling object can achive
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| velocity | Speed in a given direction
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| wedge | A simple machine that is an inclined plane that moves
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| weight | The force of gravity on an object a the surface of a planet
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| work | Force excerted on an object forcing it to move
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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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Created by:
kmpanda
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