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- A 100-N weight is attached to a free end of a metallic wire that hangs from the ceiling. When a second 100-N weight is added to the wire, it stretches 3.0 mm. The diameter and the length of the wire are 1.0 mm and2.0 m, respectively. What is Young’s modulus of the metal used to manufacture the wire?If the volume of liquid decreases by 0.5% for an increase of pressure from 9751987 N/m² to 251000 kN/m², calculate the bulk modulus of elasticity of the liquid. Please answer in SI unit (even temperature) with no decimals.In the wood industries, inclined blocks of wood are sometimes used to determine the compression-shear strength of glued joints. Consider the pair of glued blocks A and B in Figure which are 38 mm deep in a direction perpendicular to the plane of the paper. Determine the shearing ultimate strength of the glue in MPa if a vertical force of 50 kN is required to cause rupture of the joint.
- A cube made of an unknown material has a dimension of 6 cm on all edges. If the upper face is displaced laterally by 0.1 mm by a force of 2 x 105 dynes acting parallel to the surface, calculate the shear modulus of the material.A cube made of an unknown material has a dimension of 6 cm on all edges. If the upper face is displaced laterally by 0.1 mm by a force of 2 x 106 dynes acting parallel to the surface, calculate the shear modulus of the material.The corresponding values of the viscosity of benzene are 0.604 mPa s and 0.436 mPa s. Evaluate the activa- tion energy for viscosity.
- Asap plxxxxxA vertebra is subjected to a shearing force of 5.0 x 10° N. Find the shear deformation, taking the vertebra to be a cylinder 3.00 cm high and 4.00 cm in diameter. The shear modulus for vertebrae is 8.0 x 1010 N/m. shear deformation:a 300 kg cylinder that is horizontal. Three steel wires support the cylinder from a ceiling.Wires 1 and 3 are attached at the ends of the cylinder, and wire 2 is attached at the center. The wires each have a crosssectional area of 2.00 * 10-6 m2. Initially (before the cylinder was put in place) wires 1 and 3 were 2.0000 m long and wire 2 was 6.00 mm longer than that. Now (with the cylinder in place) all three wires have been stretched.What is the tension in (a) wire 1 and (b) wire 2?
- A plate situated at distance of 7 mm from a fixed plate is moving at velocity of 4 m/s. The gap between the plates is filled with oil with density of 800 kg/m³ and kinematic viscosity of 1,25-10-4 m²/s. What is the shear stress on the surfaces? Round off the answer to an integer in Pa, but enter the answer without the unit. Answer:A thin rod extends from x =D 0 to x = 13.0 cm. It has a cross-sectional area A = 6.50 cm-. adits density increases uniformly in the positive x-direction from 3.00 g/cm2 at one endpoint to 19.0 g/cm at the other. The density as a function of distance for the rod is given by p B+ Cx,A rubber washer of inner diameter of 8.8 mm, outer diameter of 15 mm and thickness of 1.4 mm is added between the frames. Considering a modulus of elasticity of 89 MPa for the rubber, assuming frames as rigid and the bolt with stiffness of 326 MN/m, calculate the change of force applied on the bolt (in kN) when the frames are pulled apart by a force of 24kN applied to the hooks. A preload was applied to compress the rubber by 5 MPa. The answer should be 23.5 but i don't know how to calculate it...