ch12-p051 - 51. Let the forces that compress stoppers A and...

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51. Let the forces that compress stoppers A and B be F A and F B , respectively. Then equilibrium of torques about the axle requires FR = r A F A + r B F B . If the stoppers are compressed by amounts | Δ y A | and | Δ y B | respectively, when the rod rotates a (presumably small) angle θ (in radians), then || | . Δ Δ yr AA BB == and | Furthermore, if their “spring constants” k are identical, then k = | F / Δ y | leads to the
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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