ILS Ch 13
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 | force /area, measured in pascals
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| 1N/m2 | 1Pa
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| Fluid pressure | increases with depth, depends on the type of fluid
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| Fluid | any liquid or gas, can not compress a liquid
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| Atmospheric pressure | caused by weight of atmosphere above a location, sea level =101 kPa
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| Pascal’s principal | change in pressure of a fluid is transmitted equally in all directions
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| Hydraulics | multiply force, based on Pascal’s Principal, diagram, fluid pressure is constant
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| Bernoulli’s Principal | as the speed of a fluid increases, pressure decreases, diagram
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| Lift | upward force on a wing, air above the wing moves faster than the air below
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| Buoyant force | upward force on an object in a fluid, strength depends on volume, equals the weight of the fluid displaced by the object, causes loss of weight
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| Archimedes Principal | buoyant force equals weight of fluid displaced by an object
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| Sink | density of object is greater than density of fluid, weight is greater than buoyant force
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| Float | density of object is less than the density of the fluid
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| Air pressure | decreases with altitude
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| Density – determines if an objects sinks or floats |
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| Area – length x width, m2 |
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| Diagram of spheres |
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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:
evroman
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