4-28. The tower crane is used to hoist a 2-Mg lo at constant velocity. The 1.5-Mg jib BD and 0.5-Mg jib BC have centers of mass at G, and G2, respectively. Determine the required mass of the counterweight C so that the resultant moment produced by the load and the weight of the tower crane jibs about point A is zero. The center of mass for the

4-28. The tower crane is used to hoist a 2-Mg lo at constant velocity. The 1.5-Mg jib BD and 0.5-Mg jib BC have centers of mass at G, and G2, respectively. Determine the required mass of the counterweight C so that the resultant moment produced by the load and the weight of the tower crane jibs about point A is zero. The center of mass for the

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter4: Coplanar Equilibrium Analysis

Section: Chapter Questions

Problem 4.23P: The center of gravity of the 850-N man is at G. If the man pulls on the rope with a 388-N force,...

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