levers

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7 Terms

1
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what are the three main parts of a lever

resistance (weight/load moved), axis, force (application of effort)

2
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third class lever

axis at one end, force in the middle and resistance at the opposite end

3
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what is the function of a third class lever

speed multiplier.

4
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how do you make third class lever a speed multiplier?

by increasing the length of the resistance arm, it is posible to generate greater velocity/anuglar momentum

5
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first class lever

resistance at the end, axis in the middle, force on the other end

6
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second class lever

force at the end, resistance in the middle, axis on the other end.

7
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examples of 3rd class lever in human body

bicep, during a bicep curl

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