Key Terms: Chapter 3
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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| Motion | The state in which an object's distance from another object is changing.
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| Speed | The distance an object travels in one unit of time.
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| Velocity | Speed in a given direction.
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| Force | A push or pull exerted on an object.
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| Net Force | The overall force on an object when all the individual forces on an object are added together.
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| Unbalanced Force | A net force that changes an object's motion.
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| Balanced Force | Equal forces acting on an object in opposite directions
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| Friction | The force that one substance exerts on another when the two rub against each other.
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| Acceleration | The rate at which velocity changes.
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| Linear | The term used to describe the relationship between variables whose graph is a straight line.
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| Nonlinear | The term used to describe a relationship between variables whose graph is not a straight line.
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| Meter | The basic SI unit of length.
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| Reference Point | A place or object used for comparison to determine is an object is in motion.
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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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