2A beam AB hinged at A is loaded at B as shown Roof in Fig. 22.2. It is supported from the roof by a 2.4 m long vertical steel bar CD which is 3.5 cm square for the first 1.8 m length and 2.5 cm square for the remaining length. Before the load is applied the beam hangs horizontally. Determine : (i) The maximum stress in the steel bar CD; 3.5 сm 1.8 m (ii) The total elongation of the bar. 1) Take E = 210 GN/m?. %3D E 2.5 cm 0.6 m (2) 0.3 m 0.6 m→ 60 kN Eig 22 ?

2A beam AB hinged at A is loaded at B as shown Roof in Fig. 22.2. It is supported from the roof by a 2.4 m long vertical steel bar CD which is 3.5 cm square for the first 1.8 m length and 2.5 cm square for the remaining length. Before the load is applied the beam hangs horizontally. Determine : (i) The maximum stress in the steel bar CD; 3.5 сm 1.8 m (ii) The total elongation of the bar. 1) Take E = 210 GN/m?. %3D E 2.5 cm 0.6 m (2) 0.3 m 0.6 m→ 60 kN Eig 22 ?

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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