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Why Does Hooke's Law Consider Only 150N in a Two-Person Pull Test?
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[QUOTE="Simon Bridge, post: 4704917, member: 367532"] Consider - when it was haging from the door, the weight pulled it by mg and the door pulled in the opposite direcetion by mg, yet you didn't say that kx=2mg did you? Why not? Replace one of the people by a pole stuck in the ground - you get 150N one way due to the other person, and 150N the other way from the pole. Note: force is a vector - so the total force on the spring is actually zero. [/QUOTE]
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Why Does Hooke's Law Consider Only 150N in a Two-Person Pull Test?
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