Chapter Eleven
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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| pressure | is equal to the force exerted on a surface divided by the total area over which the force is exerted
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| pascal | unit of pressure per square meter (N/m squared)
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| fluid | is a material that can easily flow
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| barometer | instrument used to measure atmospheric pressure
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| density | mass per unit volume
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| buoyant force | liguids and gases exert an upward force that acts on a submerged object. It acts in the direction opposite to force of gravity
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| Archimedes' Principle | states that the buoyant force acting on a submerged object is eual to the weight of the volume of fluid displaced by the object.
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| Pascal Principle | states that pressure increases by the same amount throughout an enclosed odr confined fluid
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| Bernoulli's Principle | states that the faster a fluid moves, the less pressure the fluid exerts. The speed of a moving fluid increases the pressure exerted by the fluid decreases
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| lift | upward force
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| hydraulic system | uses liquids to transmit pressure and multiply force in a confined fluid.
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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:
gayledains
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