Situation 4-A load of W 30 kN is lifted through a boom BCD as shown in the Figure LI L2 AP-4.10. The boom makes an angle of 60 with the vertical. Neglect the weight of the boom and for this problem, Li = L2 = 2 m. The pulley at D is frictionless. 10. Determine the angle a. Answer: 30 11. What is the tension in cable 60° Pigure AP-4.10 B. AC in kN? Answer: 25.36 kN 12. What is the total reaction at B in kN? Answer: 54.77 kN

Situation 4-A load of W 30 kN is lifted through a boom BCD as shown in the Figure LI L2 AP-4.10. The boom makes an angle of 60 with the vertical. Neglect the weight of the boom and for this problem, Li = L2 = 2 m. The pulley at D is frictionless. 10. Determine the angle a. Answer: 30 11. What is the tension in cable 60° Pigure AP-4.10 B. AC in kN? Answer: 25.36 kN 12. What is the total reaction at B in kN? Answer: 54.77 kN

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter5: Three-dimensional Equilibrium

Section: Chapter Questions

Problem 5.13P: In Sample Problem 5.4, determine the tension TAC using the equation MDB=0.

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Can you please show me the solution to this problem? I have to determine how to get the tension at AC.

Situation 4-A load of W = 30
kN is lifted through a boom
BCD as shown in the Figure
AP-4.10. The boom makes an
LI
angle of 60 with the
vertical. Neglect the weight
of the boom and for this
w
problem, LI = L2 = 2 m. The
pulley at D is frictionless.
10. Determine the angle a.
Answer: 30
11. What is the tension in cable
60°
Figure AP-4.10
B
AC in kN?
Answer: 25.36 kN
12. What is the total reaction at B in kN?
Answer: 54.77 kN

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