Is there a more systematic approach to classical mechanics than Newtons second law?
We have all been there. We were solving some supposedly easy problem where one just had to write out the equations of motion, ie. Newtons second law of motion. It should be simple the teacher said.
But all of a sudden you happen upon a problem. The equation is vectorial in nature so the directions of various forces play a significant role. One missplaced minus will destroy this entire super fun experience.
Is there a more systematic and easier approach to classical mechanics than Newtons second law?
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