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We have three. One is power, second is fulcrum and third is the load.

If fulcrum is in between power and load, it is said to be first order

If power is in between load and fulcrum then it is said to be second order lever.

If load is in between the power and fulcrum it is the third order..

Hope I am on the right way. Many times I too get confused with the second and third order. If it is ok, ok. Otherwise our friends would correct me. Thank you in advance.

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12y ago

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