Mechanics > Statics > Resolution of Forces

DCS# ?

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PULLEY PUZZLE

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APPARATUS

20-N spring scale	101-05-G5
light-weight pulley	202-01-F6
mass	101-05-C

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DESCRIPTION

Weigh the mass on the scale.  Predict the new scale reading if the (massless) pulley is supported by the scale, and the mass is hung from a string which passes over the pulley and is tied to the rod below.