ECS221L21

ECS221L21 - FRICTION Friction manifests itself as a force...

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    FRICTION Friction manifests itself as a force that resists motion. Dry (Coulomb) friction acts between two solid bodies. Fluid friction acts between two fluids or a solid and a fluid.
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    Characteristics Block on plane. P=0 P>0, block motionless P>0, impending motion P>0, motion N must shift right to balance moments! P W F N
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    Friction Diagram F m is maximum friction force. F k is kinetic friction force. F P F m F k motion equilibrium P W F N
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    Friction Relations Impending motion F m = μ s N . Motion F k = μ k N . Coefficients of static and kinetic friction (experimentally determined):
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This note was uploaded on 04/02/2012 for the course ECS 221 taught by Professor Macnamara during the Fall '08 term at Syracuse.

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ECS221L21 - FRICTION Friction manifests itself as a force...

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