Question: A small screwdriver is used to pry apart the two coils of a circular key ring. The wedge angle of the screwdriver blade is 16

A small screwdriver is used to pry apart the two coils of a circular key ring. The wedge angle of the screwdriver blade is 16° and the coefficient of static friction is 0.12 between the coils and the blade. Knowing that a force P of magnitude 0.8 lb was required to insert the screwdriver to the equilibrium position shown, determine the magnitude of the forces exerted on the ring by the screwdriver immediately after force P is removed.

A small screwdriver is used to pry apart the two

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FBD wedge 845 P 08 16 16 84s By symmetry Have EF 0 1 tan tan012 6843 R R 15615 l... View full answer

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