Derive the equation of motion for the mass m

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The figure shows the inside of an instrument that is used to measure the amplitude Y of the vertical ground motion y(t) = Y sin ωt. The L-shaped arm is in equilibrium in the position shown. Derive the equation of motion for the mass m in terms of z, the displacement of the mass relative to the frame. Assume small displacements and neglect all masses except m.

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Reference no: EM131285360

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