X B 1.2 What is the value of moment reaction M₂? P = 10 kN L=2.5 m
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- for the structure below determine the support reactions L=3m q=120kN/m P=50KnCompute the reactions of the supports of beams; 1. AB 2. CD 3. EF 4.GH 5. IJ 6. KLW=464KN/m Using Three Moment Equation, determine all reactions at supports also, determine shear and bending moments with complete labels. Use I= 1/12 bh^3 and E = 2.15x10^7 KPa
- A beam with a circular cross section of radius c is subjected to pure bending, and it is made of a material with an elastic, perfectly plastic stress–strain curve, Eq. 12.1. Show that the moment M is related to εc, the strain at y = c, by where (a) applies for (εc ≤ εo), and (b) applies for (εc ≥ εo), with εo = σo/E being the yield strain, and α = εc/εo.For the simply supported beam carrying the concentrated load P = 268 N at its midspan, determine the magnitude of the maximum displacement (in mm) if d = 1.51 m, E = 11.77 GPa , and I =1679930mm4. NOTE: PLEASE ANSWER IT CORRECTLY. IF YOU ARE NOT SURE ABOUT THE ANSWER, PLEASE SKIP THE QUESTIONPLEASE BOX THE FINAL ANSWER(S)THANK YOU! image below for referencePRIOR ANSWERS: Reaction Forces: By = 76.809 Cy = 15.94 Shear Forces: V (× = 10.5- ft (i.e., just to the left of support B)) = -36.75 kips V ( x = 10.5+ ft (i.e., just to the right of support B)) = 40.059 kips V (x = 25.5 ft) = -12.441 kips V (x = 26.5- ft (i.e.. just to the left of support C))= = -15.941 kips Bending moment: M (x = 10.5 ft (i.e., at support B)) = -192.9375 kips-ft M (x = 25.5 ft) = 14.1975 kips-ft
- Consider a 6−m6−m long horizontal beam supported by a pin at one end and a roller at the other end. If a 30kN⋅m30kN⋅m bending moment is applied at the roller end of the beam, what is the internal bending moment at a distance of 2m2m from the pin?A load of 100 kN, followed by another load of 50 kN, at a distance of 10 metres, advances across a girder with a 100-metre span. Obtain an expression for the maximum bending moment at a section of the girder at a distance of z metres from an abutment. Please provide solutions. Answer is z(140-1.5z) for z< (100/3)m;(100-z)(1.5z-5) for z>(100/3) m.If the displacement is doubled, the elastic potential energy of the system will
- If Poisson's ratio of a material is 0.5, then the elastic modulus for the material is a)three times its shear modulus b)four times its shear modulus c)equal to its shear modulus d)indeterminateThe load per foot of beam length varies as shown. For x = 18 ft, the unit load is 601 lb/ft. At x = 0, the load is increasing at the rate of 51 lb/ft per foot. Calculate the support reactions at A and B. The reactions are positive if upward, negative if downward. [Answer: RA = 2280 ft, RB = 4080 lb]A wooden mast, with a uniform diameter of 30 cm, is built into a concrete block, and is subjected to a horizontal pull at point 10 m from the ground. The wire guy A is to be adjusted so that it becomes taut and begins to take part of the load when the mast is loaded to a maximum stress of 7 MN/m2. Estimate the slack in the guy when the mast is unloaded. Take E for timber = 10 GN/m2. (Cam bridge)