The telephone pole AB weighing 3730 N is resting in a hole that is 2m deep. If the contact force between the pole and the edge of the hole is limited to 2500 N, what is the largest safe value of the angle 8? 0 12 m 2 m B
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- The properties of the unequal angle section are Ix=80.9in.4,Iy=38.8in.4, and Iu=21.3in.4. Determine Ixy.In checking a recently installed fencepost for adequacy of the ground support, a person exerts a force P= -160i +40j +60k N on top of the post. Determine the angles which P makes with the positive x-axis and with the x-z plane.The round handle of a faucet is affixed to a shaft that lets a valve to be open and closed every time the round handle is rotated. Give the radius of the handle if the shaft has a diameter of 1 cm and the MA of the machine is 8.
- The three-bar truss in Fig. a is subjected to a horizontal force of 5 kip. If the cross-sectional area of each member is 0.20 in2, determine the horizontal displacement at point B. E = 29(103) ksi.The triangular plate is fixed at its base, and its apex A is given a horizontal displacement of 5 mm. Suppose that a= 640 mmhe region of safety in maximum shear stress theory contains which of the given shape *
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- The 1021-kg uniform bar AB is suspended from two cables AC and BD each with cross-sectional area 472 mm2. Find the magnitude of P (in N) that can be safely applied to the bar if the stresses in AC and BD are limited to 110 MPa and 51 MPa, respectively. Express your answer in two decimal places.A hydraulic cylinder filled with water has an inside diameter of 1.0 in and a length of 2.0 ft. How many pounds of force must be applied to a piston at the end of the cylinder to compress the water by 0.1 in? Take the bulk modulus of water to be K=312,000 psi.The 500-kg load on the hydraulic lift shown is to be raised by pouring oil (? = 780 kg/m3) into a thin tube. Determine how high h should be in order to begin to raise the weight.