The drawing shows a hydraulic chamber in which a spring (spring constant = 1479 N/m) is attached to the input piston, and a rock of mass 25.0 kg rests on the output plunger. The piston and plunger are at the same height, and each has a negligible mass. By how much is the spring compressed from its unstrained position?
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3 Answers
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Force /area = 25*9.8 / 65 = F/15
F = 56.54 N
compression of the spring = F /k = 56.54/1459 =0.0388 cm
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Folks, the value is correct but the unit is actually in meters NOT cm!!!!!!!
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this is pretty useless.
