Muscle Levers.ppt
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Transcript of Muscle Levers.ppt
![Page 1: Muscle Levers.ppt](https://reader035.fdocuments.in/reader035/viewer/2022062615/548e8b74b479592c0f8b49fd/html5/thumbnails/1.jpg)
LEVERS
MUSCULAR SYSTEM
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SIMPLE MACHINE - makes work easier.
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LEVERS
*USED IN BOTH SIMPLE MACHINES AND HUMANS.
TO LIFT UP WEIGHT MORE EASILY.
DONE WITH LESS EFFORT.
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PARTS OF A LEVER1. LEVER- bar which action
performs upon2. FULCRUM- fixed point lever
based on3. LOAD- weight of part/object
being lifted4. EFFORT- force applied to lift
load
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FIRST CLASS LEVER
FULCRUM IN THE CENTER, WITH LOAD AND EFFORT AT OPPOSITE
ENDS.
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CLASS 1
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SECOND CLASS LEVERLOAD IS IN THE CENTER, WITH FULCRUM AND EFFORT ON OPPOSITE
ENDS.
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CLASS
2
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CLASS 2
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THIRD CLASS LEVEREFFORT IS IN THE CENTER WITH THE LOAD AND FULCRUM ON OPPOSITE ENDS.
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CLASS
3
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CLASS
3
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LEVERS AS SIMPLE MACHINES
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LEVERS IN THE BODY
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WHAT CLASS LEVER?
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What Class?
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What Class?
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CLASS
?
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Class ?
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Class ?
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