Like what difference does the cutting motion do compared to just pushing down a knife ?
In: Physics
there was an animation about razor blades not cutting the skin when moving the blade along the skin, but doing left and right movement would cut the skin (sawing motion) because of the way the pressure is applied, it stretches the material you are cutting instead of compressing it, which happens when only pushing.
that said, like some other people mentioned, if the blade is Sharp enough for the material it can cut through just by applying pressure, but yeah,
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