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Question

Which of the following is not a second-class lever?


A

wheelbarrow

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B

nutcracker

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C

lemon squeezer

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D

forceps

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Solution

The correct option is D

forceps


  1. A second-class lever is a type of lever in which the load is between the effort and fulcrum.
  2. In a wheelbarrow, nutcrackers and lemon squeezer load always lie between the effort and fulcrum so these are second-class levers.
  3. Forceps is a third-class lever because in forceps effort lies between the fulcrum and load.

Hence the correct option is (D) Forceps


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