state the kind of lever in the following machines
a] nut cracker                 b] fishing rod             c] bottle opener       d] wheel barrow 

Dear student,     
Please find below the solution to the asked query                                                             

Nutcracker, bottle opener and wheelbarrow are second class levers. The load in second class levers lie between fulcrum and effort. 

The fishing rod is a 3rd class lever. The load is the fish; the handle end is the fulcrum.

Hope this information will clear your doubts about the topic.   
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Regards                                          

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