PROBLEM 1/6Determine the allowable weight that the assembly can handleif the cable AB has a working stress of 200 Mpa and cable AChas a working stress of 150 Mpa. The cable cross sectionalareas are 300 mm? for cable AB and 330 mm? for cable AC.ВC50°28°W

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Answered: Determine the allowable weight that the…

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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The two rods (A-B and B-C) shown in the left panel are connected by pins at A, B, and C. The cross sections of A-B and B-C are 10mm×13mm and 10mm×10mm, respectively. The bilinear stress-strain relation shown in the right panel is for the material used to make the two rods, where Ei is the slope of the stress-strain curve for stresses between 0 and 80 MPa and E2 is the slope for stresses larger than 80 MPa. Note that Hooke's law is only valid for stresses up to 80 MPa. A 1 1 B 0.900 m 3 P = 30 kN 2.44 m C σ MPa 80 E₂ = 40 GPa E₁ = 80 GPa E a) Given the conditions above, find the axial elongation for each rod when subjected to P=30KN. b) Find the final position of Point B due to the applied load P at that location. Hint: Assume point B moves by unknown amounts Ax and Ay from its initial position, and then use right triangles to write the known final lengths of the cables in terms of Ax and Ay. The equations can be simplified by assuming terms Ax² and Ay² are so small they can be…
A column is fabricated by adhesively bonding two aluminum faceplates to a foam plastic core as shown below. Note that there are only left and right aluminum plates (with no front and back plates). The foam plastic core has a square cross-section with elastic modulus Ef 1110 MPa. Determine the stress in the aluminum plates, the stress in the foam core, and the displacement of the column under the action of the applied force. = Note: Express tensile stresses as positive (+) and compressive stresses as negative (-). Given: • L1 L2 = = 100 mm = 1.7 m • . L3 = = 1.4 mm RIGID PLATE ALUMINUM FACE PLATE F FOAM L2 |← 41 +| |—–—– 63 L1 L3 F = 37 kN σα = σ f = |ɗ| = = number (rtol=0.01, atol=1e-05) number (rtol=0.01, atol=1e-05) number (rtol=0.01, atol=1e-05) MPa ? MPa mm ?
If load P = 22.9 kips, determine the normal force in bar (1). D P A 6 ft 51.9 kips 44.8 kips 27.3 kips 38.2 kips O 40.4 kips B (1) 4 ft
(4) The plunger of an oil pump is held against the operating cam by a spring made of No.10 W&M gage steel wire coiled with an outside diameter of ⅞-in. There are five active coils. The open length is 1.1875in. What are the length & stress when a load of 30lb is applied.
Required information A 920-mm (4) strip of steel (E= 200 GPa) is bent into a full circle by two couples applied as shown. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. M' M mm Determine the maximum thickness t of the strip if the allowable stress of the steel is 420 MPa. The maximum thickness t of the strip is mm.
1,200 N-m 4,500 N-m 2,800 N-m 500 N-m (3) 0.70 m 1.80 m 0.70 m Complete the torsion diagram of rod ABCD loaded as shown by dragging the components and filling in the values. T (kNm) A D B 1700 4500 500 -1700 -1200 2800 1600 -2300 -4500 4000 2300 3300 -2800 -3300 1200 -500 -4000 -1600
a b c d F 5 m 1.5 m 2.1 m 2.4 m 26 kN The structure above is subjected to a load at point C. Using the table below, determine the forces acting at the support pins and at pin B on member ABC. Forces: (Denote tension forces with positive values; compressive forces with negative values.) FAX = ? FAY = ?
Use FBD to solve
The bars AB, AC, and AD are pinned together as shown in the Horizontal movement of the pin at A is prevented by the rigid horizontal strut AE. Calculate the axial force in the strut caused by the 10-kip load. For each steel bar, A = 0.3 in.2 and E = 29 x 106 psi. For the aluminum bar, A = 0.6 in.2 and E = 10 x 106 psi.
If load P = 17.3 kips, determine the normal force in bar (1). A 6 ft 36.5 kips 28.8 kips 17.7 kips O 34.3 kips O 31.4 kips D B (1) 4 ft

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Determine the allowable weight that the assembly can handle if the cable AB has a working stress of 200 Mpa and cable AC has a working stress of 150 Mpa. The cable cross sectional areas are 300 mm? for cable AB and 330 mm² for cable AC.