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Newton's second law isn't "The acceleration of an object as produced by a net force is USUALLY proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object."
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[–] dannyduchamp 1 point -1 points 0 points (+0|-1) ago
Usually?
That's not a law.
Newton's second law isn't "The acceleration of an object as produced by a net force is USUALLY proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object."