I have a spring with mass M attached, and leave it at equilibrium. Then I displace it some more by stretching it down a bit more. Displacement due to the mass= X, displacement due to stretching it even more=Y.(adsbygoogle = window.adsbygoogle || []).push({});

Why isn't the amplitude of oscillation= X+Y, but is only actually only Y? This is really confusing me!

Relevant equations: (L is the natural length of the spring, and x is the extension, λ is the modulus of elasticity

Tension=λx/L

Energy stored=λx^2/2L

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# B Simple harmonic motion springs

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