Question

5. Extra Credit: String Forces Consider the following pulley systems: Double Pulley ape a puled, Dut Lhe effait 2 la Dallam af puley Laad Laad SIngle Pulley Na bice/diatance Liade al, anly diiectanal change (a) If the force of the "load" is 175 N, what is the force you must pull ("Efort") to keep the ropes from falling for the single pulley shown? (b) If the force of the "load" is 225 N, what is the force you must pull (Effort") to keep the ropes from falling for the double pulley shown? 2 effort>订571

Answer 1