Problem

The motor of mass M is supported by a simply supported beam of negligible mass. If block A...

The motor of mass M is supported by a simply supported beam of negligible mass. If block A of mass m is clipped onto the rotor, which is turning at constant angular velocity of ω, determine the amplitude of the steady state vibration. Hint: When the beam is subjected to a concentrated force of P at its mid-span, it deflects δ = PL3/48El at this point. Here E is Young's modulus of elasticity, a property of the material, and I is the moment of inertia of the beam's cross-sectional area.

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Solutions For Problems in Chapter 22

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