Lesson 1: Forces, Motion, and Work
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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| acceleration | a change in velocity
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| force | a push or pull on an object
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| friction | a force that resists motion of one surface across another
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| gravity | a force that causes objects to be pulled toward one another
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| inertia | an objects resistance to a change in motion
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| motion | a change in an object's position
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| newton | unit of measurement for force 1 kg of mass 1 m/s sq.
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| speed | how far an object moves in a given amount of time
distance divided by time
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| velocity | measure of an object's speed plus direction
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| Newton's 1st Law | an object at rest will stay at rest and an object in motion will stay in motion unless acted on by an outside force
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| Newton's 2nd Law | A relationship between force, mass and acceleration
Force = mass x acceleration
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| Newton's 3rd Law | for every action, there is an opposite and equal reaction
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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:
mnordby
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