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Why is it that a sawing motion with a sharp knife will cut something but pushing straight down with the blade will just smash it?

5 upvotes

4 upvotes

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why is it that a sawing motion with a sharp knife will cut something but pushing straight down with the blade will just smash it?	5
What does oxygen actually do in our body on a molecular level?	4