7th grade Holt science
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| Distance divided by time | Speed
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| Speed and direction of an object | Velocity
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| An object that appears to stay in place | Reference Point
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| Combination of all forces on an object | Net force
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| A push or pull | Force
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| Kinetic | moving
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| Static | not moving
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| when the net force on an object is not 0 N, causes motion | unbalanced force
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| a force that opposes motion between 2 surfaces | friction
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| a decrease in velocity | deceleration
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| when the forces on an object produce a net force of 0 N, doesn't cause motion | balanced force
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| an objects change in position relative to a reference point | motion
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| rate at which velocity changes | acceleration
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| the unit for measuring force | Newton
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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:
amatzka
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