work
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= | Force x Distance
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| Work occurs when... | a force is applied to an object and the object is moved over a distance in the same direction in which the force is applied.
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| Energy and Work is measured in ______ | joules(J).
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| One joule is equal to the force of... | one Newton applied over a distance of one meter.
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| Power is measured in______ | watts.
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| A ramp can make work easier by... | increasing the distance over which force is applied.
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| Humans have created ___________ to make work easier. | Machines.
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| An example of a simple machine is... | inclined planes, wedges, screws, levers, pulleys, or wheels and axels.
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| The degree to which a machine makes work easier is called its________ | mechanical advantage.
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| A mechanical advantage is equal to... | the machine's output force divided by the amount of force applied to the machine.
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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:
kaleplop
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