Constraint on a curve Let the horizontal plane be the x-y plane. A bead slides with speed v along a curve described by the function y = f(x). What force does the curve apply to the bead? (Ignore...

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Constraint on a curve

Let the horizontal plane be the x-y plane. A bead slides with speed v along a curve described by the function y = f(x). What force does the curve apply to the bead? (Ignore gravity.)