Physics Ch. 8 Test
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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| work | how much energy is transferred
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| power | how fast or slow work is done
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| joules | unit of measure for work
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| watts | unit of measure for power
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| machine | device that changes force or motion
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| work formula | force * distance
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| power formula | work / time
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| mechanical advantage formula | force output / force input
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| mechanical efficiency formula | output / input * 100
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| mechanical advantage | force multiplier that machine gives
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| mechanical efficiency | measure of how much work you get out from a machine
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| complex machine | machine formed from 2 or more simple machines
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| simple machines | ILPWWS
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| work input | work done on a machine
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| work output | work done by a machine
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| force input | force you put on an object
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| force output | force on an object through a distance
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| effort force | amount of force needed to move an object
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| effort distance | distance from the effort on a lever to the fulcrum
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| ideal machine | 100% efficient with no energy lost
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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:
itslizzie143
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