flight
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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| what is lift? | the upward force created by pressure differences and produced by an airfoil
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| what is gravity? | the downward force created by the mass of the earth (weight)
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| what is thrust? | the force that pushes an object forward, created by engines or wings
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| what is drag? | the force of friction that opposes the force of thrust to slow down an object
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| what is an airfoil? | an object, such as a planes wing, with one flat one curved surface that causes a pressure difference and a reaction force when moving through the air.
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| what is pressure? | the force exerted on a surface
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| what is the equation to pressure? | force/area=pressure
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| what is buoyant force? | the upward force acting on an object in a fluid. Buoyant force equals the weight of the fluid displayed by the object.
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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.
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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:
anc09
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