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- The 350-lb homogeneous plate has the shape of an isosceles triangle. The plate is supported by a thrust hinge at A, a slider hinge at B, and the cable CD. Find the force in the cable and the magnitudes of the hinge reactions.The walkway ABC of the footbridge is stiffened by adding the cable ADC and the short post of length L. If the tension in the cable is not to exceed 420 lb, what is the smallest value of L for which the 160-lb person can be supported at B?Two concrete blocks weighing 320 lb each form part of the retaining wall of a swimming pool. Will the blocks be in equilibrium when the pool is filled and the water exerts the line loading shown?
- 4. In the figure shown, A. Draw the FBD and show all the forces acting on beam AB. B. Determine the tension on the cable. C. Determine the horizontal and vertical components of the reaction at A. 200 lb 2' +2' B 100 lbThe uniform 18kg Bar OA is held in the position shown by a smooth pin at O, and the cable AB which is in tension as shown. 1.5 m 60° B 1.2 m What is the angle between the force vector TAB and the position vector RoA, when the two vectors are placed tail to tail (Answer in degrees) Answer:The frame shown is supported by three cables and a ball-and-socket joint at A. For P = 0, determine the tension in each cable and the reaction at A.
- Show the complete solution: Two cables tied together as shown in figure , Knowing that Q = 60 lbs and that the system is in equilibrium, draw the free-body diagram of the force system at C and determine the tension in cable AC and in cable BC.Solution for A weight W = 500 KN rests on the weightless and friction less bar AB. The cable connecting W and point B passes over a frictionless pulleys. Find the Reaction (Ra) at point A.The cable shown supports a girder which weighs 850 lb/ft. Determine the tension in the cable at points A, B, and C.
- A lever AB is hinged at C and attached to a control cable at A . If the lever is subjected to a 75-lb vertical force at B , draw the freebody diagram needed to determine the tension in the cable and the reaction at C.The spanner shown is used to rotate a shaft. A pin fits in a hole at A, while a flat, frictionless surface rests against the shaft at B. If a 60-lb force P is exerted on the spanner at D, find the reactions at A and B.Knowing the tension in cable AC is 795 N, determine the components of the force exerted by the cable on the support at A. in this problem. The wooden board will not be in your FBD.) (Note: Our FBDS are focused on points not objects. Your FBD should show the “special points" 400 mm 450 mm 600 mm B D C 600 mm