why do most right-hand scissors not work when used with the left hand?
In: Physics
When you use scissors, you’re not just providing an up and down force to have the two sides meet, but also a rotational force to make sure that the cutting sides are going to be pushing against each other while they meet. When you hold the scissors in the wrong hand, that rotational force is in the other direction, which actually makes the cutting edges push apart, making the scissors far less effective.
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