Calculate the moment of the force P about the axis AD using (a) point A as the moment center (b) point D as the moment center
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Q: Calculate the moment of the force P about the axis AD using (a) point D as the moment center.
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Q: Calculate the moment of the force P about the axis AD using (a) point A as the moment center
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Calculate the moment of the force P about the axis AD using
(a) point A as the moment center
(b) point D as the moment center
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- Q2 F3=60N F2=70N F1=50NH.W4: a- A copper bar is 900 mm long and circular in section. It consists of 200 mm long bar of 40 mm diameter, 500 mm long bar of 15 mm diameter and 200 mm long bar of 30 mm diameter. If the bar is subjected to a tensile load of 60 kN, find the total extension of the bar. Take E for the bar material as 100 GPa. b- A stepped bar ABCD consists of three parts AB, BC and CD such that AB is 300 mm long and 20 mm diameter, BC is 400 mm long and 30 mm diameter and CD is 200 mm long and 40 mm diameter. It was observed that the stepped bar undergoes a deformation of 0.42 mm, when it was subjected to a compressive load P. Find the value of P, if E = 200 GPa.7 7a 7b 7c Alaterally supported beam was designed for flexure. The beam is safe for shear & deflection. The most economical section is structural tubing however the said section is not readily available at the time of the construction. If you are the engineer in charge of the construction what alternative section will be the best replacement? Why? The section is 8" x 8" x 7.94 mm thick: Use Fy=248 MPa: E=200,000 MPa AISC wall thickness Ix 106 S x 103 Jx 103 mm4 mm3 mm4 rx =ry Area Ag (mm2) mm Designation Weight/m 8x8 7.94 47.36 6,039 79.25 37.84 371.99 60.35 expla'n briefly your cho'ce. (transform your comparative analys's 'nto a narative form to support your cho'ce) 8x8 14.29 80.61 10,258 76.2 59.52 585.02 99.06 8x8 72.7 9,290 76.96 54.53 539.13 90.32 8x8 9.53 56.09 7,161 78.48 44.12 432.62 70.76 mm 12.7 Zx 103 mm3 437.53 714.48 650.57 512.92
- determine the member stresses of the truss shown. indicate if the stress in the member is in tension or compression. present complete and neat solutions. p1-30kN W-25kN/m P2=51kN AH Av Im P₂ Im P₂ Im P₂ Im Av W 1.6mVANIFI Members AC and AB support the 300-lb crate. Determine the tensile force developed in member (AB). 3 ft- 4 ft A Select one: a. F(AB) = 214 lb b. F(AB) = 114 lb c. F(AB) = 181.827 lb d. F(AB) = 282 lbW3D 25 Y= 155 %31 1oow= 2500 KN 27=310mm X= 475 Z= 60 %3D 102=600mm
- P,= 500 k J. P, = 1,000 k I P,= 500 k Py=1,000 k fixed fixed Check whether a 17 ft W 14 x 211 section of A992 steel can safely carry the given applied service loads pinned 35 ft 18 ft pinned pinned Strong Axis Weak AxisTwo columns 300mmx300mm and 400mmx400mm are loaded by axial and bending forces as shown. They are to be supported by a combined footing shown. Unit weight of concrete = 24 kN/m2;Unit weight of soil = 17.24 kN/m3; fc'=21 MPa, fy = 414 MPa, Concrete Cover to bar centroid 80 mm, SBC=248 kPa. Dimensions: X 4 meters thickness = 568 mm %3D D = 1.73 meters Forces: P1DL = 239 kN P1LL = 177 kN M1DL = 38 kN-m %3! M1LL = 30 kN-m P2DL = 495 kN %3D P2LL 393 kN %3D M2DL = 65 kN-m M2LL 65 kN-m Calculate the critical nomninal one way shear stress in MPa.6 6a 6b 6c Alaterally supported beam was designed for flexure. The beam is safe for shear & deflection. The most economical section is W 6 x 20 however the said section is not readily available at the time of the construction. If you are the engineer in charge of the construction what alternative section will be the best replacement? Why? Use: Fy=248 MPa: E=200,000 MPa Designation W8 x 24 W8 x 21 Weight Ag (mm2) 3787 36 31 width mm kg/m d (depth) 30 157.48 152.91 9.27 W6 x 20 expla'n briefly your cho'ce. (transform your comparative analys's 'nto a narative form to support your cho'ce) W8 x 28 42 204.72 165.99 11.81 5323 4568 201.42 164.97 10.16 3974 210.31 133.86 flange bf thickness tf Web 10.16 thickness tw 6.60 Elastic Properties mm 4 Ix x 106 7.24 6.22 6.35 17 41 34 31 mm 3 Sxx 103 220 398 342 298 mm rx 67.56 87.63 86.87 88.65 mm 4 lyx 106 6 9 8 4 mm 3 Syx 106 72 109 92 61 mm ry 38.10244 41.15 40.89 32 Plastic properties. mm 3 Zx x 103 244 446 380 334 mm 3 Zyx 103 110 166 140 93…
- Determine the force of the members for the space truss shown in the figure. Joints A and B are supported by ball-and-socket while Joint C is supported by short link along z-axis. Indicate whether member is tension (T) or compression (C). 2m y Sm Az By BX Bz PAR Ax CSXScanned with Ca canner a SISU KN 15m 1 211710 mm 5 KN-m 40 mm 5 KN-m 150 mm 15 mm 120 mm Determine (a) the centroid location, the moment of inertia about the z axis, and the controlling section modulus about the z axis. (b) the bending stress at points H and K. State whether the normal stress is tension or compression. (c) the maximum bending stress produced in the cross section. State whether the stress is tension or compression.Determine the design strength of a T-Beam with the following data: b+= 700 mm bw = 300 mm hy = 100 mm d = 500 mm f₂ = 21 MPa fy = 414 MPa A: 5-20 mm dia.