For each rod, what are (a) the strain and (b) the elongation?
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A: Given : scale of the stress axis is set as s=320 in a unit of 106N/m2 ε=0.0090
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- A 1.0 x 10-3 kg spider is hanging vertically by a thread that has a Young’s modulus of 4.5 x 109 N/m 2. What is the cross-sectional area of the thread when strained (strain = 0.1) by the full weight of the spider?The figure shows the stress-strain curve for a material. The scale of the stress axis is set by s = 350, in units of 106 N/m². What are (a) the Young's modulus and (b) the approximate yield strength for this material? Assume ɛ = 0.010. Strain (a) Number i Units (b) Number Units Stress (106 N/m²)A vertical solid steel post of diameter d = 26 cm and length L = 2.70 m is required to support a load of mass m = 8400 kg. You can ignore the weight of the post. What is the stress in the post? Express your answer in pascals. What is the strain in the post?
- One end of a vertical metallic wire of length 2.8 m and diameter 2.0 mm is attached to a ceiling, and the other end is attached to a 5.0 N weight pan, as shown below. REFER TO PICTURES FOR THE QUESTION. I AM HAVING TROUBLE WITH THE ONE PART.A sign (mass 2300 kg) hangs from the end of a vertical steel girder with a cross-sectional area of 0.010 m2. Ignore the mass of the girder itself. The elastic modulus for steel is 2.0×10^11N/m2. The stress is 2.3 x 10^6. What is the strain on the girder? It is not 1.2 x 10^-5. I know its stress is divided by the modulus. Not sure what I'm doing wrong. If the girder is 9.90 m long, how much is it lengthened?A 1.25 m long cable has a diameter 3.50 mm with a Young’s Modulus, E, of 9.75 x 109 N/m2 . When the wire is placed under tension, it experiences a stress of 202.52 x 106 N/m2 , the length of the cable extends by 36.35 mm. Calculate the force that the cable experiences under tension and the strain energy density (U/V) due to deformation. Give your answers in newtons (N) to 2 decimal places for the force; and in joules per cubic metre (J/m3 ) for the strain energy density to 2 decimal places. Assume the cable is solid and the material is homogeneous.