A steel bar AD has a cross-secțional area of 260 mm² and is loaded by forces P = 12 kN, P, = 8 kN, and P3 = 6 kN. The lengths of the segments of the bar are a = 1:5 m, b = 0.6 m, and c = 0.9 m. (a) Assuming that the modulus of elasticity E = 210 GPa, calcuļate the change in length & of the bar. Does the bar elongate or shorten? (b) Bỷ what amount P should the load P, be increased so that end D of the bar does not move when the loads aře applied? %3D %3D %3D %3D %3D 3 P1 P2 P3 A C a Figure 86 B.

A steel bar AD has a cross-secțional area of 260 mm² and is loaded by forces P = 12 kN, P, = 8 kN, and P3 = 6 kN. The lengths of the segments of the bar are a = 1:5 m, b = 0.6 m, and c = 0.9 m. (a) Assuming that the modulus of elasticity E = 210 GPa, calcuļate the change in length & of the bar. Does the bar elongate or shorten? (b) Bỷ what amount P should the load P, be increased so that end D of the bar does not move when the loads aře applied? %3D %3D %3D %3D %3D 3 P1 P2 P3 A C a Figure 86 B.

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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