Unit-D Structures and forces grade 7
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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complementary forces | Two or more forces acting on a single object at the same time.
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Dynamic load | moving or changing forces on a load
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Tension | Force that stretches and pulls apart an object; like pulling on an elastic
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Compression | force that acts to squeeze or push parts within an object together
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suspension bridge | bridge having its roadway hung from large cables supported between tall towers.
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structural stability | the ability of a structure to maintain its position even when its being acted on by forces.
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aesthetics | the pleasing appearance or effect that an object has because of how it looks
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performance requirements | condition a structure must have when it is built
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Truss | framework of beams that form triangles
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deformation | change of shape in a structure
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center of gravity | imaginary point in an object where the downward force of gravity acts.
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beam | flat structure supported at both ends.
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shear | force that acts to push parts that are in contact with each other apart.
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load | external force acting on an object
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mass | amount of matter in an 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:
ryleski
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