4 m 9.5m- G2 B G3 F7.5 m -12.5 m- 23 m Probs. 4-23/24
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
The tower crane is used to hoist a 2-Mg load upward
at constant velocity. The 1.5-Mg jib BD and 0.5-Mg jib BC
have centers of mass at G1 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
counterweight is located at G3.
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