Ex. 65: A steel wire of diameter 1 mm and length 2 m is stretched by applying a force of 2 kg wt. Calculate the (1) increase in length of the wire (2) strain (3) stress (Y = 20 × 10¹⁰ N/m²).
Q: A vertical solid steel post of diameter d = 26 cm and length L = 2.70 m is required to support a…
A: The objective of the question is to calculate the stress and strain in a steel post supporting a…
Q: A copper (shear modulus 4.2 x 1010 N/m²) cube, 0.442 m on a side, is subjected to two shearing…
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Q: a) Sketch a stress-strain diagram for a metal indicating the proportional limit, yield point,…
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Q: A cylindrical specimen of some metal alloy of 8.5 mm in diameter is stressed elastically in tension.…
A: Given T = 15700 N. D = 8.5 mm = 0.0085 m ∆D = 5.3*10-3mm
Q: Four identical hollow cylindrical columns of mild steel support a big structure of mass 50,000 kg.…
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Q: A steel bar is stresses to 250 MPa. The modulus of elasticity is 250 GPa. The bar is 80 mm diameter…
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Q: A steel rod 55 cm long has a diameter of 35.0 cm. The compressive strength (the maximum stress it…
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Q: A 2 m long steel rod has a cross-sectional area of 0.3 cm?. The rod is a part of a vertical support…
A: The stress of the rod is given by F/A Strain is given by dL/L where F= Force…
Q: The following figures show a steel bars of thickness h = 5 mm. the bars are subjected to a force P.…
A: Given: Figures with thickness, h = 5 mm Shear stress, t = 140MPa
Q: A solid copper cube has an edge length of 89.6 cm. How much stress must be applied to the cube to…
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Q: A tendon is subjected to tensile forces. The cross-sectional area of the tendon is 0.0002 m2. If the…
A: See below
Q: The figure shows the stress-strain curve for a material. The scale of the stress axis is set by s =…
A: To calculate the Young's modulus and the approximate yield strength for the material. Given data-…
Q: A tangential force of 0.004 KN affected the upper surface of a rectangle 5 mm high, 3 cm long and 5…
A: Given Dimensions, l=3 cm= 3×10-2mw=5 cm=5×10-2mh=5mm=5×10-3m Tangential force, F=0.004 KN= 4N…
Q: 2. The area of the upper face of a rectangular block is 0.5m x 0.5 m and the lower face is fixed.…
A: Given: The area of the upper surface is A=0.5 m×0.5 m=0.25 m2 The height of the block is h=1…
Q: A copper (shear modulus 4.2 x 1010 N/m²) cube, 0.450 m on a side, is subjected to two shearing…
A:
Q: The leg bone (femur) breaks under a compressive force of about 8.20 × 104 N for a human and 11.7 ×…
A: Compressive force for human bone ( F human ) = 8.20 × 104 N Compressive force for horse bone ( F…
Q: A bob of mass 30 kg hangs from a copper wire ( Y= 11x10 ^10 N/m^2). The wire has an initial length…
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Q: A vertical solid steel post of diameter d = 26 cm and length L = 2.70 m is required to support a…
A:
Q: The figure shows the stress-strain curve for a material. The scale of the stress axis is set by s=…
A: The stress-strain curve is shown below.
Q: The figure shows the stress-strain curve for a material. The scale of the stress axis is set by…
A: Given : scale of the stress axis is set as s=320 in a unit of 106N/m2 ε=0.0090
Q: The figure shows the stress-strain curve for a material. The scale of the stress axis is set by s =…
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Q: The true stress-strain behavior of a metal is given by otrue = K- (Etrue)", where Otrue is the true…
A: Given, σtrue=Kεtruen
Q: The plot of tensile stress vs tensile strain of a certain rod has a slope of 23-GPa in the elastic…
A: Given data: Slope of tensile stress vs tensile strain graph = 23 GPa Tensile strain (ε) =…
Q: te=120 (2) 457 tレ Oa = 60 the figure (0,c=0), find the principal Q-For the plane stress case shown…
A: Given : A plane stress case.
Q: A steel cable 2.0 m long has a cross-sectional area of 0.07 m2. A 200-kg machine is hung from the…
A: Length of cable L = 2.0 m Cross-sectional area A = 0.07 m2 Mass of machine M = 200 kg Young modulus…
Q: You hang a 30 kg mass from the end of a rod that is 12 m by 2 mm by 2 mm. You observe that the rod's…
A: To solve this problem, we need to use the concepts of stress and strain. Stress is defined as the…
Q: A cable supports a lift that moves up with an upward acceleration of 2 m/s2. Given that the…
A: Given, Upward acceleration,a=2 m/s2 Proportional limit stress,σ=10.1×109N/m2 Area of…
Q: An aluminium (p = 2.7g/cm³) wire is suspended from the ceiling and hangs vertically. How long must…
A: Given that-Density of aluminium wire, ρ=2.7g/cm3Stress at upper end, σt= 8×107 N/m2We know…
Q: The figure shows the stress-strain curve for a material. The scale of the stress axis is set by s =…
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Q: The figure shows an approximate plot of stress versus strain for a spider-web thread, out to the…
A: We have, stress=forcearea and strain=change in lengthoriginal lengthHence, work…
Q: A solid rod with cross section area A= 1.8 cm2 and length LO =16 cm, performed tensile test as shown…
A: Given data: Area of cross-section of rod is, A=1.8 cm2. Length of rod is, L0=16 cm.
Q: Ex. 13: A cube of side 5 cm each whose upper face is displaced by 0.65 cm due to a force of 0.25 N.…
A: We need to compute-(i) Shearing stress=?(ii) Shearing strain=?(iii) Modulus of rigidity=?The data…
Q: A metal bar’s dimensions are 1 in x 2 in. If the bar has a modulus of elasticity of 4.14x10^9 Pa,…
A: Given Initial lenth is 15 in Final lenth = 15.25 in Dimensions = 1*2 in E = 4.14*10⁹ pa concept…
Q: The figure shows the stress-strain curve for a material. The scale of the stress axis is set by s -…
A: Given: S = 300 in units of 106 N/m2 ε = 0.010 Solution: a) From the given graph, we have…
Q: : A brass wire of diameter 0.6 mm and length 3 m is stretched by applying a force of 2 kg wt.…
A: We need to compute-(i) Increase in length of wire l=?(ii) Strain=?(iii) Stress=?The data given…
Q: Q. 8: Strain energy per unit volume is given by 1 (stress)? 1 (b) 2 * (stress)* y (a) 2 y 1 strain 1…
A: We know, Strain is produced in the wire due to application of load. Hence. work is done on…
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