assume E = 200 GPa, I= 2.5 E-05 m², and ymax = ±0.1 m. 12 kN/m A 20 kN·m 3 m 1 m B
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- A steel rod with a cross-sectional area of 199 mm2 is stretched between two fixed points. The tensile load at 29°C is 7,100 N. At what temperature will the stress be zero? ? Assume α = 11.7 × 10-6 m/(m·°C) and E = 203 GPa. Answer must be in degree Celsius.Determine the change in the volume of a 10 cm diameter copper sphere that is subjected to a hydrostatic pressure of 120 MPa assuming linear elastic behavior up to this stress level. (V =4/3 n 13) (E: 125 GPa, v = 0.34, SY = 200 MPa)A 23 mm diameter bronze bar 2.8 m long is placed between two rigid walls. At a temperature of -3°C, the gap Δ = 4.6 mm. Find the temperature(at degree-Celsius) at which the compressive stress in the bar will be 34 MPa. Use α = 18.09 × 10-6 m/(m·°C) and E = 82 GPa. Answer in two decimal places. Numerical values only. Don't indicate units here, just on the submitted solution.
- Q1: the collar shown in figure (1) has a mass of 3 kg and attached to the light spring, which has stiffness of 35 N/m and an unstretched length of 2 m. the collar is released from rest at A and slides up the smooth rod under the action of the constant 75 N force. Calculate the velocity of the collar as it passes position B.2. The tires of an agricultural tractor shown below are assumed to be 25 cm wide for the front tires and 40 cm at the rear tires. Ground contact of each tire is 15 cm. Calculate the compressive stress between each tire and the ground surface. Weight = 2,500 kg 15 cm 1.3m Point A 2.2 m 2R 2FHAB A В µCG µBC If the picture does not load, click here. Three blocks are positioned on an incline of 0=24° as shown. A force of P is applied to Block C and a wire attaches Block A to the wall, preventing that block from moving. The mass of Block A is ma=35kg, the mass of Block B is mg=53kg, and the mass of Block C is mc-47kg. The coefficient of static friction between Block A and Block B is UAB=0.18, between Block B and Block C is uBc=0.28, and between Block C and the ground is ucG=0.40. Determine the maximum value of P before any slipping takes place. Write your answer for P in N units to 2 decimal places in the box below. Hint #1: Recall that the shear (tangential) force across a sliding surface can never exceed F = mu * N Hint #2: You will need to find a value for P based on the condition that one block slips AND a value for P based on the condition that multiple blocks slip. The final answer will be the lesser of the two values. Values: HAB=0.18 0=24° ma=35kg HBC=0.28 mB=53kg…
- The piston rod of a steam engine is 50 mm in diameter and 600 mm long. The diameter of the piston is 400 mm and the maximum steam pressure is 0.9 N/mm². Find the compres- sion of the piston rod if the Young's modulus for the material of the piston rod is 210 kN/mm².Hi Please Help me answer this with complete solution thank you very much FA= 3.5kN FB=6kNSir Edward decided to replicate the experiment of Torricelli (see diagram). He immersed a tube with a diameter of 3mm in Hg at temperature of 68°F. What is the height that the column generated in mm? h 51°
- A 200 x 100 x 50 mm steel block is subjected to a hydrostatic pressure of 15 MPa. The Young's modulus and Poisson's ratio of the material are 200 GPa and 0.3 respectively. What is the change in the volume of the block?There is a gap c = 1mm between the rods in the picture, the temperature changes evenly quantitatively ΔT = 1.9°C. Calculate the normal force on the cross section of the rods. E1 = 200 GPa, L = 1.0 m, E2 = 80 GPa, A1 = 5000 mm2, A2 = 2000 mm2, α1 = 12*10-61/°C, α2 = 8*10-61/°CQI/ A circular steel bar of various cross-section is subjected to a pill of 750 kN as shown in Fig (1). Determine the extension of the bar. E= 204 Gpa. 800 kN 80 60 100 60 80 800 kN 400 300 500- 300 ++ 400 (mm)