12.1 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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| force | a push or pull that acts on an object
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| newton | the SI unit of force, equal to the force that causes a 1-kilogram mass to accelerate at a rate of one meter per second squared
(1 N = 1k X m/s2)
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| net force | the overall force acting on an object after all the forces are combined
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| friction | a force that opposes the motion of objects that touch as they move past each other
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| static friction | a friction force that acts on objects that are not moving
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| sliding friction | a friction force that opposes the motion of an object as it slides over a surface
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| rolling friction | a friction force that acts on rolling objects, caused by the change in shape at the point of rolling contact
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| fluid friction | a friction force that opposes the motion of an object through a fluid
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| air resistance | fluid friction acting on an object moving through the air
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| gravity | the attraction between any two objects because of their masses
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| terminal velocity | the constant velocity of a falling object when the force of air resistance equals the force of gravity
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| projectile motion | the curved path of an object in free fall after it is given an inital forward velocity
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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.
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.
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:
rkraimer14
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