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Sagot :
there are three type of lever there are
1) first class lever
= if fulcrum is at any point in between effort and load it is called First Class lever . for eg : plied, sea-saw, crow bar etc
2) second class lever
= if any load is at any point in between effort and fulcrum it is called second class lever .for eg:nut cracker, bottle opener, wheel barrow etc
3) there class lever
= if effort is at any point in between load and fulcrum it is called there class lever. for eg : knife cutting apple, shovel cleaning ice etc
what is lever?
= that is I not know sorry
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