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- The end of a water hose weighing 0.5 lb/ft is pulled with a 40-lb force that is inclined at 14 to the horizontal. Determine the length s of the hose that is lifted off the ground and the corresponding horizontal distance L.The intensity of the line loading acting on a quarter circle is w=w0(2/). Use intergration to determine the resultant of the loading and its line of action.The center of gravity of the 850-N man is at G. If the man pulls on the rope with a 388-N force, determine the horizontal distance b between the man's feet and G.
- Determine the resultant force acting on the elbow of the thin-walled pipe when the pipe carries a uniform internal pressure p0.The horizontal boom carries the weight W=108lb at A. The boom is supported by the cables AB and AC. The tensions in the cables are TAB=120lb and TAC=160lb. Determine the single force R that is equivalent to three forces acting on the boom at A.The two forces are applied to the end of the boom OA. Determine the force F so that the resultant of the two forces lies in the yz-plane.
- The cable AB supports a uniformly distributed load of 12 lb/ft. Determine the angles A and B, and the cable tension at A.Determine the resultant force or resultant couple for each of the line loads shown. In each case the loading is normal to the line and has constant intensity w0.If the intensity of the line loading is w=[(40xx2)/40]lb/in., where x is measured in inches, use integration to find the resultant.
- The 110-lb traffic light is suspended from two identical cables AB and BC, each weighing 0.80 lb/ft. If the maximum allowable horizontal force exerted by a cable on a vertical post is 170 lb, determine the shortest possible length of each cable and the corresponding vertical distance h.Determine the force F required to pull up the 3.54m stopper from the drain of a sink if the depth of water is 10 in. Use =0.036lb/in.3 for water and neglect the weight of the chain.The properties of the unequal angle section are Ix=80.9in.4,Iy=38.8in.4, and Iu=21.3in.4. Determine Ixy.