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Statement of a problem № 10381

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A 10-lb collar is attached to a spring and slides without friction along a fixed rod in a vertical plane. The spring has an un-deformed length of 14 in. and a constant k = 4 lb/in. Knowing that the collar is released from rest in the position shown, Determine the force exerted by the rod on the collar at (a) Point A, (b) Point B. Both these points are on the curved portion of the rod.




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