The structure shown below is a simplified tower crane. It carries a shipping crate suspended from that has a weight of 81 kN The main jb DCB in groen) has a weight of 21 kN concentrated in the center of the beam. This in pinned to the main body at D and is supported by a cable that is routed through pulleys at F and G and is attached to a concrete counterwelght J The main body AEPG in yellow) is fixed to the ground at A F h3 G or E h2 D C B 11 22 13 hi
А Various geometry h = 27.9 m h = 4.1 m hy = 5.8 m 1,124 m 12 17 m la 3.4 m 56.4 degrees Assumption . The main body A EFG can be considered masses • The cable CFGJ is massiese The pulleys at F and can be considered massess, frictionless, and of negligible diameter • All bodies are considered rigid Determine the weight of counterweight in order for the main ji DCB to be horizontal Determine the magnitude of the and y components of force at pin D. Delormine the reactions at fixed support A
Part A - Part A Determine the weight of counterweight J in order for the main jb DCB to be horizontal Enter your answer in units of kN to three significant figures. ΡΕ ΑΣΦ rνec ? W- KN Submit Beaven Anwet Part B - Part 8 Determine the magnitude of the component of force at pin D. Enter the magnitude of the value in units of kN to three significant figures. ΘΉ ΑΣφ 11 VOO D. - EN Submit Request Answer
Part C - Part Determine the magnitude of the y-component of force at pin D. Enter the magnitude of the value in units of N to three significant figures. VAID 1 vec ? Dy kN Submit Bequest Answer
Part E. Part E Determine the component of the reaction force at fixed support otherwise known as 4 Enter the value in units of kN to three significant figures. Uue poultive values to represent forces pointing to the right and negative values to represent forces pointing to the left. VAXIvec ? A, EN Submit Revest Answer PartF. Part Determine the y-component of the reaction torte at feed poort Altherwise known as A, Enter the value in units of k to three significant figures. Une positive values to represent forces pointing to up and negative values to present forces pointing down. VAXO VOC 2 AN Submit Request A
Part G - Part Determine the reaction moment atted support otherwise known as MA Enter the value in units of Nm to three significant figures. Use poantive values to represent counterclockwise moments and negative values to represent clockwise moments AX 11 vec 2 M- kN m
The structure shown below is a simplified tower crane. It carries a shipping crate suspended from that has a weight of 8
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The structure shown below is a simplified tower crane. It carries a shipping crate suspended from that has a weight of 8
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