figure below shows the reinforced concrete beam AB of a tourist lookout at the free end. Its weight per unit length is 2500N/m, and the beam rests on two pillars at A and B, with no fixed connection. 1A. Assuming the beam is uniform, which of the following gives the absolute maximum shear? A 8.0m в 6.0m
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- The roof is supported by cables as shown in the photo. If the cablesexert forces FAB = 100 N and FAC = 120 N on the wall hook at A asshown , determine the resultant force acting at A. Expressthe result as a Cartesian vector.For questions 2A and 2B, refer to the load and shear diagrams below. 2A. What is the slope of the shear diagram of the line from B to C?A.15 KN/mB.16 KN/mC.24.46 KNmD.11.26 KNmThe change in moment [KNm] of the diagram above from point A to the concentrated load is nearest toA.98B.99C.100D.101The bent bar shown is subjected to 3 forces shown. Replace these forces with an equivalent couple M and single force F at point A. Show solution to answers M = 21.8 kN-m, cw Fv = 12.03 kN, D FH = 1.60 kN, R
- The 450N plate is attached to collars which may slide on the vertical rod. If the coefficient of static friction is 0.4 between both collars and the rod determine the maximum supporting force available from friction when F = 0 and when F = 200N; a = 2.75m , b = 4.5m , c = 2m Show solution, the answer is 618.75The shear capacity V if a steel wide flange section, 600 mm deep whose web is 9 mm thick, is closest to: Assume fy = 200 MPa. Take FV = 0.4 Fy a. 645 kN b. 413 kN c. 507 kN d. 432 kNThe tensions of the ropes used in pulling a boat along a river by 2 carabaowhich are on opposite side and walking parallel to the river bank are 400Nand 360N. The angle between the ropes is 600. Find the resultant of thepulling force on the boat. Also, determine the angle that separates eachof the rope from the boat.
- Analyze the given semi-frame and Develop the required equation/solution for every given answer. 1. What is the shear at E? 2. What is the shear and moment at point C? 3. What is the shear and moment at point A? please provide a solution, thank u so much.Given: Shear and moment at left of C Vc= -4.5 kn Mc= -4.5 kn-m Shear and moment at right of C Vc= 37.5 knMc= -94.5 kn-mThe lug nut on the wheel of the automobile is to be removed using the wrench and applying the vertical force of F = 30 N at A. Determine if this force is adequate, provided 14 N ⋅ m of torque about the x axis is initially required to turn the nut. If the 30-N force can be applied at A in any other direction, will it be possible to turn the nut? Solve the problem above if the cheater pipe AB is slippedover the handle of the wrench and the 30-N force can beapplied at any point and in any direction on the assembly.Note : point load = 12.289KN/m *3 = 36.867KN . 1) calculate the reaction forces 2) Calculate and draw the Bending moment digram, and what is the value of maximium bending moment ? 3) calculate and draw the shear force digram and what is the value of the maximum shear force ?
- A cantilever beam carries a trapezoidaldistributed load (see figure). Let wB = 2.5 kN/m,wA = 5.0 kN/m, and L = 2.5 m. The beam has amodulus E = 45GPa and a rectangular cross sectionwith width b = 200 mm and depth h = 300 mm.Use the method of superposition and Cases 1 and8 in Table H-1 to calculate the def lection and rotationat B.Table of values: bf = 1482 mmbw 462 mmt = 292 mm fc' = 28.2 MPafy = 384 MPad = 1011 mmd' = 112 mmL(beam) = 15.1 mW_D1= 48.4 kN/mW_L1 = 56.9 kN/mW_D2 = 184.4 kN/mW_L2 = 208.9 kN/mPROBLEM: A simply-supported T-beam is subjected to two pairs of distributed loads: pair 1 (W_D1, W_L1)and pair 2 (W_D2, W_L2). The geometric, material and loading properties are all given on thetable above. 1. Solve for the height of the compression stress block using pair 1. 2. Solve for the theoretical steel area using pair 1. 3. Using Es = 0.004, solve for the theoretical steel area using pair 2. 4. Using Es = 0.005, solve for the theoretical steel area using pair 2.Before the load P was applied, a gap, ?0(2.75mm) existed between the cantilever beam AC andthe support at B. Knowing that E=200 GPa, determine the magnitude of P for which thedeflection at C is δ(5.5mm) and the reaction at B. (Hint: Use the method of superposition and beam deflections in Appendix A)