A rectangular polypropylene [E = 6,200 MPa] bar (1) is connected to a rectangular nylon [ E = 1,400 MPa] bar (2) at flange B. The assembly (shown in the figure) is connected to rigid supports at A and C. Bar (1) has a cross-sectional area of A₁ = 990 mm² and a length of L₁ = 1600 mm. Bar (2) has a cross-sectional area of A₂ = 2850 mm² and a length of L₂ = 590 mm. After two loads of P = 2.2 kN are applied to flange B, determine: (a) the forces in bars (1) and (2). (b) the deflection of flange B. L₁ A (1) P P B L₂ (2) C

A rectangular polypropylene [E = 6,200 MPa] bar (1) is connected to a rectangular nylon [ E = 1,400 MPa] bar (2) at flange B. The assembly (shown in the figure) is connected to rigid supports at A and C. Bar (1) has a cross-sectional area of A₁ = 990 mm² and a length of L₁ = 1600 mm. Bar (2) has a cross-sectional area of A₂ = 2850 mm² and a length of L₂ = 590 mm. After two loads of P = 2.2 kN are applied to flange B, determine: (a) the forces in bars (1) and (2). (b) the deflection of flange B. L₁ A (1) P P B L₂ (2) C

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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A rectangular polypropylene [E = 6,200 MPa] bar (1) is connected to a rectangular nylon [E = 1,400 MPa] bar (2) at flange B. The assembly (shown in the figure) is connected to rigid supports at A and C. Bar (1) has a cross-sectional area of A₁ = 1030 mm² and a length of L₁ = 1610 mm. Bar (2) has a cross-sectional area of A₂ = 2740 mm² and a length of L₂ = 600 mm. After two loads of P = 4.5 kN are applied to flange B, determine: (a) the forces in bars (1) and (2). (b) the deflection of flange B. (a) F₁ = F₂ = (b) UB= ted ted i tel KN KN mm L₁ (1) P B L2 (2)
A rectangular polypropylene [E = 6.200 MPa] bar (1) is connected to a rectangular nylon [E = 1,400 MPa] bar (2) at flange B. The assembly (shown in the figure) is connected to rigid supports at A and C. Bar (1) has a cross-sectional area of A₁ = 920 mm² and a length of L₁ = 1220 mm. Bar (2) has a cross-sectional area of A₂ = 2630 mm² and a length of L₂ = 570 mm. After two loads of P = 3.8 kN are applied to flange B, determine: (a) the forces in bars (1) and (2). (b) the deflection of flange B. (a) F₁ = F₂ = (b) UB = i i i A kN KN mm L₁ (1) P B L₂ (2)
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A rectangular polypropylene [E = 6,200 MPa] bar (1) is connected to a rectangular nylon [E = 1,400 MPa] bar (2) at flange B. The assembly (shown in the figure) is connected to rigid supports at A and C. Bar (1) has a cross-sectional area of A₁ = 1070 mm² and a length of L₁ = 1380 mm. Bar (2) has a cross-sectional area of A₂ = 2730 mm² and a length of L₂ = 510 mm. After two loads of P = 2.6 kN are applied to flange B, determine: (a) the forces in bars (1) and (2). (b) the deflection of flange B. A L₁ (1) P B L2 C
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The pin-connected structure shown in the figure consists of a rigid beam ABCD and two supporting bars. Bar (1) is a bronze alloy [E = 100 GPa] with a cross-sectional area of A1 = 270 mm2. Bar (2) is an aluminum alloy [E = 73 GPa] with a cross-sectional area of A2 = 630 mm2. All bars are unstressed before the load P is applied; however, there is a 4-mm clearance in the pin connection at A. Assume L1 = 1890 mm, a = 870 mm, b = 540 mm, c = 410 mm, and L2 = 1450 mm. If a load of P = 127 kN is applied at B, determine(a) the normal stresses in both bars (1) and (2).(b) the downward deflection of point A on the rigid bar.