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- Solve the preceding problem for the following data: b = 8.0 in., k = 16 lb/in., a = 45°, and P = 10 lb.In the simple cage system in the figure, which of the following is the absolute value of the force carried by the CE element in kN?The simplest truss consists of two rods and is loaded by the block. Given: block weight Q = 2,2 kN. Angle α = 39 degrees. Find: the algebraic (positive or negative) value (in kN) of normal force N2 in the rod 2, considering that N2>0 for tension and N2<0 for compression.
- A horizontal board weighing Wb = 600 N is hinged to a vertical wall. A personweighing Wp = 400 N stands at the end of the board 5 m from the wall. A rope is attached to theboard at a point 3 m from the wall and makes an angle of θ = 40° with theboard. Determine the tension (T) in the ropea ladder whose length L is 12 m and whose mass is 45 kg rests against a wall. Its upper end is a distance h of 9.3 m above the ground, as in the Figure. The center of gravity of the ladder is one-third of the way up the ladder. A firefighter whose mass M is 72 kg climbs halfway up the ladder. Assume that the wall, but not the ground is frictionless. What forces are exerted on the ladder by the wall and by the ground?Question 2) The figure shows a mechanical model of the Russel fracture traction device and the leg. The leg is held in balance in the position indicated by the two weights attached to the two cables. The combined weight of the leg and the cast is W=210 N. The horizontal distance between points A and B where the cables are attached to the leg is L=100 cm and the vertical distance is d=6 cm. Point C is the center of gravity of the cast and leg at three quarters of the L measured from point A (3L/4= 75 cm). The angle that cable 2 makes with the horizontal is measured as β=33°. Accordingly, in order for the leg to remain in balance in the shown position; a) Find the tensile force T1 in cable 1. (Write your result in N) b) Find the tensile force T2 in cable 2. (Write your result in N) c) Find the angle α of cable 1 with the horizontal. Response
- A uniform horizontal beam 5.00 m long and weighing 350 N is attached to a wall by a pin connection that allows the beam to rotate. Its far end is supported by a cable that makes an angle of 50 with the horizontal. If a person weighing 550 N stands 1.50 m from the wall, find the magnitude of the tension T in the cable and the force R exerted by the wall on the beam.2 Find the force P that must be applied in order for the mechanism shown in the figure to remain in balance at the β angle, using the virtual works method. The mass per unit length of each bar is m.a. The hydrostatic force on the gate and its position as function of h and show its direction on the figure. b. The tension in the wire rope as function of h. c. The required value for M. d. The hydrostatic force on the vertical surface of the cylinder where the submerged area is equal to 2.8 m2e. The hydrostatic force on the horizontal surface of the cylinder. Interpret you result. f. For the same submerged volume, does the required value for M change if the cylindrical mass is replaced by a cubic mass? Explain.
- The Figure shows a bar AB, of length L, which is supported at point A, against the wall andsuspended by a cable at point B, and a weight w is hung from it at end B. The weight of thebar AB and cable weight are negligible. Suppose the weight W and the angles θ1 and θ2are known. What is the direction of the reaction force R of the wall against the barThe piston shown in figure is held in equilibrium by thepressure of the gas flowing through the pipe. The pressurespI = 350 kPa, pII = 130 kPa, and pressure of the gas pIII =210 kPa. Find the mass of the piston. Ans: 80.1 kg Hints: Consider a free body diagram of the piston andidentify the different forces the piston is subjected to get theweight of the piston. The weight of the piston isnumerically equal to its mass since g is not given meaningat standard gravityThe boom of the wall crane 4m long is held at right angles to the wall by a wire that is attached to the wall 3m above the foot of the boom. If the load lifted is 45000N, find the tension in the wire and the compression force in the boom Neglect the weight of the boom. May I also ask mam/sir for the Diagram and explanation?