Force/Motion 5
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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| force | a push or pull on an object
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| motion | change in position measured by distance and time
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| speed | the distance an object travels in a certain amount of time (distance over time)
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| velocity | how fast (speed) and how far (direction)
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| acceleration | change in velocity; tells us the rate speed or direction changes
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| momentum | measurement of the amount of force it would take to stop an object's motion (usually forward; mass (kg) x velocity (m/s); unit is kg*m/s
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| direction | "the way" an object is headed
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| mass | how much matter is in an object
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| gravity | a force that pulls objects towards earth's center
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| inertia | the tendency of motionless objects to remain motionless and moving objects to remain in motion
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| Newton's 1st Law | law of inertia; an object at rest will remain at rest unless acted upon; an object in motion will remain in motion unless acted upon
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| Newton's 2nd Law | force = mass x acceleration
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| Newton's 3rd Law | for every action there is an equal and opposite reaction
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| friction | force from two objects rubbing against each other; resistance to move
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| weight | gravity's pull on an object
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| balanced force | do not cause a change in motion; equal in size and opposite in direction
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| unbalanced force | always cause a change in motion; forces are not equal and opposite
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| net force | overall force on 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.
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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:
crstone
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