What are the Three Kinds of Levers
Three Kinds of Levers
- First Kind of Lever:
In the first kind of lever, the fulcrum F is in the between the t, effort P and Weight W.
Examples
– Physical Balance
– Handle of Pump
– Pair of Scissors
– See Saw
- Second Kind of Lever:
In the second kind of lever, the weight W is in between the fulcrum F and effort P.
Examples
-Door
– Nut Cracker
-Punching Machine
- Third Kind of Lever:
In the third kind of lever, the effort P is in between the fulcrmn F and weight W.
Examples
– Human forearm
– Upper and Lower Jaws in the Mouth.
– A Pair of Forcipes
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