Calculate the critical buckling load for the strut shown, for L = 2.3 m, B = 23 mm and D = 89 mm. Give your answer in kN. Young's modulus for the strut material is 200 GN/m². Pc B A Z Cross-section of strut please solve in handwritten format, Don't use chatgpt
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- -11 A rubber cube R of a side L = 3 in. and cross- sectional area A = 9 in2 is compressed inside a steel cube S by a force F = 5 lb that applies uniformly distributed pressure to the rubber. Assume E 0.3ksi and,, = 0.45. (a) Calculate the lateral pressure between the rubber and steel (disregard friction between the rubber and the steel, and assume that the steel block is rigid when compared to the rubber). (b) Calculate the change in volume of the rubber.The piston in an engine is attached to a connecting rod AB, which in turn is connected to a crank arm BC (see figure). The piston slides without friction in a cylinder and is subjected to a force P (assumed to be constant) while moving to the right in the Figure. The connecting rod. with diameter d and length L, is attached at both ends by pins. The crank arm rotates about the axle at C with the pin at B moving in a circle of radius R. The axle at C, which is supported by bearings, exerts a resisting moment M against the crank arm. (a) Obtain a formula for the maximum permissible force Pallow. based upon an allowable compressive stress acin the connecting rod. (b) Calculate the Force Pallowfor the following data:Find the force on each member of the truss and indicate if they are under tractionor compression. I am having difficulty in the decompositions of forces. if you can, put this in detail.I already found the reaction forces and they are in the image below. Thank you very much in advance
- Need correct answer onlyA 200 GPa young's modulus of a piston rod of diameter 20 mm and length 700 mm in a hydraulic cylinder is subjected to a compressive force of 10 kN due to the internal pressure. The end conditions of rod may be assumed as guided at the piston end and hinged at the other end.Calculate the factor of safety for the piston rod.B4
- Write legibly, provide step by step manual solution, and diagram for below given problem. An iron rod 6m long and 1.6mm2 in cross section stretches 1.2mm when a mass of 315kg is hang on it. Compute the modulus of elasticity of the iron. (Ans. E = 9656.72 Gpa)A statically determinate three-hinged arch is shown below, L = 1.5 m and P = 3 kN. Compute the support reactions and internal forces at Sections C™ and Cº. (All reaction force and internal force answers to be entered as absolute values.) a) A Thim 2P |L6-L O B O RDy= b) C Analyse the whole arch to determine the vertical reaction forces: RA, = RDX = P 1 O KN KN 6 m 6 m Analyse either freebody AC or CD to determine the horizontal reaction forces: RAx= (T) kN D kN Thim c) Use freebody AC to determine the following: (note that subscript CL represents left of C, i.e., C) Internal axial force NCL = KNA mechanism carries a constant load P applied to the seat as E shown. Calculate the forces, in Newtons, for the following: (a) member FG (b) pin H 100 (c) hydraulic cylinder AB 175 Parameter (A= 1 B=3 C= 6 D= 2 E=0) P = 762 N 0 = 32° Note: Figures CDFE and EFGH are parallelograms. 800 200 400 LBE 150, 400 175 150 200 Dimensions in millimeters H 150
- 8. The boom in the figure supports a load W = 1400 lb. Compute the forces in the cables AE and BD and also the components exerted by the ball and socket joint C.Answers: AE = 512 lb; BD = 878 lb; CX = -250 lb;CY = 600 lb; CZ = 800 lb PLEASE GIVE ME A SOLUTION SIMILAR TO THE REFERENCE PHOTO, I DON'T NEED THE J K SOLUTION. THANK YOUThe following figure shows the critical position of a crane that supports 2.5 Tons of load by means of a chain. You are delegated the responsibility of building a crane with similar geometric characteristics and load capacity. The diagram of free body of the crane arm can be redrawn as follows. (check the attached image "fbd") Assuming that the crane arm will be made of steel with yield stress sigmaY =220 MPa and that you must consider a safety factor of F.S.=1.5, propose a profile from the following catalog for the manufacture of the crane arm. Ignore the effects of shear forces on this element. On the other hand, it is very important that you consider the effects of axial loads. Commercial profiles for arm construction. (Check image "profiles")2. The figure shows a spring chair. The chair weight is 100 N. The spring free-length is 500 mm, mean diameter is 200 mm, wire diameter is 10 mm and number of turns is 12. The spring wire material is Music wire A228 with modulus of rigidity of 82700 MPa. Calculate the initial deflection of the spring under the chair weight. If a child seats on the chair, calculate his weight to bush the spring to the shut height. Calculate the stresses in the spring at that condition. BFD'N y = d*G 8FD T = K, 4C +2 K = 4C – 3 D C = --- o00000000od