The bottle opener class 2 lever and has MA >1 give reason.
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In a second-class lever, such as a bottle opener, the fulcrum is at one end, the effort at the other, and the load in between. In a third-class lever, such as chopsticks, the fulcrum and the load are at either end, with the effort in between.
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The mechanical advantage of class II levers is always more- than 1.
Example- Nut cracker, wheel barrow, bottle opener etc.
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