Friction and Gravity
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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| Friction | The force that one surface exerts on another when they rub against each other
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| Rolling Friction | The kind of friction that results when a wheel turns on a surface
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| Sliding Friction | The kind of friction that results when you rub sandpaper against wood
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| Fluid Friction | The kind of friction that exists between oil and a door hinge
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| Weight | A measure of the force of gravity on an object
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| Free Fall | The state that exists when the only force acting on an object is gravity
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| Gravity | The force that accelerates objects towards Earth
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| Terminal Velocity | A falling object reaches this when forces of gravity and air resistance are balanced
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| Air Resistance | The kind of friction that slows a falling 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.
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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:
Smith3795
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