What are the Three Kinds of Levers

Three Kinds of Levers

 

  1. 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

 

 

  1. 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

 

 

  1. 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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