C6-70 The tower crane shown in Fig.construction materials. The counterweight C weighs 31,000N; the motor M weighs 4500 N; the weight of the boom ABis 36,000 N and can be considered as acting at point G; andthe weight of the tower is 23,000N and can be consideredas acting at its midpoint.is used to liftIt is desired that the reaction forces at the feet D and Ealways be greater than 4500 N to ensure that the toweris never in danger of tipping over. Plot Wmax, the max-imum load that can be lifted as a function of the dis-tance x (0

Draw the free-body diagram of the tower crane.

Answered: C6-70 The tower crane shown in Fig.…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Find the following: a. Reaction at support B in kN b. Horizontal Reaction at support A in kN c. Moment reaction at support A in kN 12 kN 3 m 3 m C D 4 m 8 m 15 kN 4 m 20 kN/m B
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a) Determine the maximum mass of block A to maintain equilibrium. b) Calculate the corresponding tensile forces (T1, T2, T3, T4, and T5) in the five segments of the cable indicated in the figure. The centroid of Block B (base: 3a, height: 4a) is located at G. Use g=9.81 m/s². Draw all necessary diagrams and indicate the direction of the impending motion. Additional data are provided below. Hint: Check for slipping, and tipping at points L and R of block B. P = 70 N $ = 20° Parameter: WB = 84.6800 N HB = 0.2645 H12 1 A a = 40° a = 9 cm ठ H34 (3) H23 H45 0 = 50° 12 M23 34 = 0.15 a L B B = 30° μ45= 0.23 G R 22 P
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