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divineyang
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Homework Statement
Scenario: A block of mass m hanging on the end of a vertical spring with spring constant k
Homework Equations
When the spring has come to rest:
Vertical eqm: weight = force exerted by spring
mg = kx
Energy conservation: loss in GPE = gain in EPE of spring
mgx = 0.5*kx^2
The Attempt at a Solution
canceling x on both sides of the energy conservation equation will give me mg = 0.5*kx, which does not tally with the equation of vertical equilibrium. Why is this so?
Is there a problem with my understanding of energy conservation?