mfe chapter 4- work and machines
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| show | when the object moves in the same direction in which the force is exerted
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| show | distance
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| show | force, distance
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| What formula do you use to determine the amount of work done on an object? | show 🗑
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| show | joule
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| What is the amount of work you do when you exert a force of 1 newton to move an object a distance of 1 meter? | show 🗑
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| show | power
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| T or F: You exert more power when you run up a flight of stair than when you walk up the stairs. | show 🗑
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| show | power= work/time
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| show | power= force x distance/time
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| show | inclined plane, wedge, screw, lever, wheel and axle, and pulley
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| show | inclined plane
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| The larger the incline, the less __________ you need to push or pull an object on an inclined plane. | show 🗑
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| WSM: a simple machines that consists of two inclined planes, giving it a thing end and thick end. | show 🗑
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| T or F: In a wedge, the inclined plane itself moves. | show 🗑
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| show | true
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| WSM: a simple machine that consists of an inclined plane wrapped around a central cylinder. | show 🗑
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| show | threads
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| show | lever
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| The fixed point that a lever pivots around is called the _____ | show 🗑
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| What type of lever is a door, wheelbarrow, and bottle opener? | show 🗑
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| What type of lever is a seesaw, scissors, and pliers? | show 🗑
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| What type of lever is a baseball bat, shovel, and fishing pole? | show 🗑
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| WSM: A simple machine that consists of two connected rings or cylinders, one inside the other | show 🗑
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| show | pulley
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| show | compound machines
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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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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:
maddiefranciscan
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