C3-28 A50-kg lad is susperied fnom a pulley as stewn in Fig. P3 28. The tension in the flexible cable dnes not change as it paaNes aruLand he small frictionless puleye. and the wright af the cahle may he neglected. I'lot the kerce Prequired for equilibr.um as a function of the seg distanee 0d=1 r. Determine the minimurI sag fur which Pis lese than a. Twice the weight sf the kead. b. Four times the weight of the Iad. c bight tizmes the weight of Uhe load. rig. P3-20

C3-28 A50-kg lad is susperied fnom a pulley as stewn in Fig. P3 28. The tension in the flexible cable dnes not change as it paaNes aruLand he small frictionless puleye. and the wright af the cahle may he neglected. I'lot the kerce Prequired for equilibr.um as a function of the seg distanee 0d=1 r. Determine the minimurI sag fur which Pis lese than a. Twice the weight sf the kead. b. Four times the weight of the Iad. c bight tizmes the weight of Uhe load. rig. P3-20

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.29P: If the input force to the compound lever is P = 30 lb, calculate the output force Q.

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