Fig 1. shows aluminium rods CE and DF are attached to the rigid bar ABCD with 30kN axial loading at A. Given that the cross-sectional area for rods CE and DF are 220 mm2 and 130 mm2, respectively and E = 69 GPa. Determine the: 450mm Al B 300mm 200mm 30kN 600mm །།། Fig. 1 F 750mm a) Force in both rods CE and DF caused by the loading shown. b) The corresponding deflection of point A. c) Minimum diameter of pin at B if it is subjected to double shear and is made of steel with maximum allowable shear stress of 150 MPa.

When a bar of 22 mm diameter is subjected to an axial pull of 60 kN the extension on the 49 mm gauge length is 0.1 mm and there is a decrease in diameter of 0.013 mm. Calculate the Young's Modulus. Provide your answer in GN/m2 to the nearest whole number.

The beam is supported by rods AB and CD that have different cross-sectional areas. The area of rod AB is AAB = 10 mm² .The area of rod CD is Acp = 8.25 mm². B F₁ Values for the figure are given in the following table. Note the figure may not be to scale. Variable Value F₁ d₁ d₂ NAB= 5050 N 3.25 mm 0.5 mm a. Determine the magnitude of the normal internal force in rod CD, NCD. b. Determine the magnitude of the normal internal force in rod AB, NAB. c. Determine the normal stress in rod CD, OCD. d. Determine the normal stress in rod AB, O AB. Round your final answers to 3 significant digits/figures. NCD = N N

A bar, 12 mm in diameter is acted upon by an axial load of 20 kN. The change in diameter is measured as 0.03 mm. DeterminePoisson’s ratioYoung’s modulusBulk modulus Assume modulus of rigidity as 80 GPa

A 1∕2-in.-diameter round steel rod 40 ft long supports a loadof 4 kips. How much will it elongate? e= ΔL /L f = P/A E = (P∕A)/ (ΔL∕L) = (PL) / (A(ΔL))

Q2. Determine the young's modulus of elasticity from the following test result on a steel rod: Rod diameter = 25 mm Rod length Maximum applied load = 300kN = 150mm Rod extension after test = 10mm

The beam is supported by double-shear pins at A, B, and C. The radius of all the pins are r = 8 mm. Hint: 1. Remember that rod BC is a 2-force member 0₁ Variable F₁ F2 F3 F₁ d₁ d₂ 0₁ d₁ NBC OB = F₁ d2 Value F₂ 12 KN 38 KN 60 KN 28 KN 0.75 m 1.25 m 30 degrees Values for the figure are given in the following table. Note the figure may not be to scale. d2 F₁ dz KN F₁ a. Determine the magnitude of the normal force in rod BC, NBC. b. Determine the magnitude of the reaction force in pin A, A c. Determine the average shear stress in pin A, TA. d. Determine the average shear stress in pin B, TB. e. Determine the average shear stress in pin C, TC. d₁ Round your final answers to 3 significant digits/figures.

Q2. Rigid member DEF is supported by three rods, AD, BE, and CF, and the rods are of the same original dimension. Rods AD and CF are of the same material, with Young's modulus of 10.6x103 ksi, and rod BE is made of a different material, with Young's modulus of 17.0×103 ksi. Points B, E, and G are collinear, and the lengths are /₁ = 3.6 ft and /2 = 3.9 ft. Determine the force in rod CF in the unit of lb. A D 4₁ G B 1 kip -1₂- 2 C F 4

Required information Stairs leading to a balcony are shown below. |400 lb dimensions in inches 40° 144 600 lb 32 22 16 38 30 30 For the 400 lb and 600 lb forces, and if F= 155 lb and P= 0, determine the reaction at point Dand the force supported by bar BE. The reaction at point Dand the force supported by bar BE are as follows: Dy= 410 Ib TBE = - 701.798 Ib

Compound axial member ABC has a uniform diameter of d-2.4 in. Segment (1) is an aluminum [E₁ - 10,000 ksi] alloy and segment (2) is a copper [E₂ - 17,000 ksi] alloy. The lengths of segments (1) and (2) are L₁ - 78 in. and L₂ - 150 in., respectively. Determine the force P required to stretch compound member ABC by a total of 0.35 in. L₁ A Part 1 Aluminum Answer: A- B Save for Later Calculate the cross-sectional area of the compound member. L2 (2) Copper in.² C P Attempts: 0 of 1 used Submit Answer Part 2 The parts of this question must be completed in order. This part will be available when you complete the part above. Part 3 The parts of this question must be completed in order. This part will be available when you complete the part above.