Sections 1, 2, & 3
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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| The amount of work done in one second | Power
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| The transfer of energy that occurs when a force makes an object move | Work
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| Device that makes doing work easier by increasing the force applied to an object, changing the direction of an applied force, or increasing the distance over which a force can be applied | Machine
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| Force that is applied to the machine | Input Force
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| Force applied by the machine | Output Force
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| Ration of the output force to the input force | Mechanical Advantage
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| Ratio of the output work done by the machine to the input work done on the machine, expressed as a percentage | Efficiency
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| machine that does work with only one movement-- lever, pulley, wheel and axle, inclined plane, screw, and wedge | simple machine
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| simple machine consisting of a bar free to pivot about a fixed point called the fulcrum | lever
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| simple machine that consists of a grooved wheel with a rope, chain, or cable running along the groove; can be either fixed or movable | pulley
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| simple machine that consists of a shaft or axle attached to the center of a larger wheel, so that the shaft and the wheel rotate together | wheel and axle
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| simple machine that consists of a sloping surface, such as a ramp, that reduces the amount of force needed to lift something by increasing the distance over which the force is applied | inclined plane
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| simple machine that consists of an inclined plane wrapped in a spiral around a cylindrical post | screw
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| simple machine that is an inclined plane with one or two sloping sides | wedge
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| machine that is a combination of two or more simple machines | compound 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:
Kacey Jones
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