what is the fulcrum of a bottle opener?
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what is the fulcrum of a bottle opener?
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Answer:
Technique. Under most use, a bottle opener functions as a second-class lever: the fulcrum is the far end of the bottle opener, placed on the top of the crown, with the output at the near end of the bottle opener, on the crown edge, between the fulcrum and the hand: in these cases, one pushes up on the lever.