Why is the mechanical advantage of a bottle opener always greater than 1?

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asked May 21, 2016 89.8k views

2 Answers

Nikhil Savaliya · Answer 1 · 2016-05-27T05:37:48+0000

For a lever, the mechanical advantage is the ratio of the lever arms. Since the lever arm of the opener is always greater than that of the output arm, the mechanical advantage is greater than 1.

Why is the mechanical advantage of a bottle opener always greater than 1?

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