1. The homogeneous bar ABCD shown is supported by a cable that runs from A to B around the smooth peg at E, a vertical cable at C, and a smooth inclined surface at D. Determine the mass of the heaviest bar that can be supported if the stress in each cable is limited to 200 MPa. The area of the cable AB is 200 mm² and that of the cable at C is 250 mm². 30 B 3m 3m 3m 60º

3. Eight steel cables (with equal distance to each other) are supporting a circular heavy moulding of diameter 3m from an overhead point. If the moulding weighs 5 kN/m and the attachment point is 4m above it, determine the following: a. Calculate the tension of the cable. b. Determine the diameter of the wire if the allowable stress is 125 MPa. c. If the diameter of the cable is 10 mm, find the deflection of the steel cable. d. If the diameter of the cable is 10 mm, find the vertical displacement of the molder.

Part of a control linkage for an airplane consists of a rigid member CB and a flexible cable AB. s00 mm 600 mm Originally the cable is unstretched. Part A If a force is applied to the end B of the member and causes a normal strain in the cable of 0.00320 mm/mm, determine the displacement of point B.

Problem 1: The beam ABC, built into the wall at A and supported by a % inch diameter cable at C, carries distributed load over part of its length, as shown below. The weight of the beam is 70lb/ft. Determine the deformation on the cable. Assume modulus of elasticity of cable is 180ksi. 3 FT 5FT

The homogeneous 300 N bar AB carries a 500 N vertical force at A. The bar is supported by a pin at B and the 15 mm. diameter cable CD. Find the stress in the cable. D 2 m A 1.5 m C 1.5 m B V500 N

A three hinged stiffening girder of a suspension bridge of span 100 m is subjected to a UDL of 20 kN/m from left end to its middle hinge. The supporting cable has a central dip of 8 m. Which of the following statements is/are correct? A The curved length of cable is 101.71 m. B Maximum tension developed in cable is 3281.10 kN. C The load acting on supporting cable will be 20 kN/m. D Horizontal thrust developed at left end of supporting cable is 1562.5 kN

A horizontal rigid bar ABC is pinned at end A and supported by two cables at points B and C. A vertical load P = 10 kN acts at the end of the bar. The two cables are made of steel with a modulus elasticity E = 200 GPa and have the same cross-sectional area. Calculate the minimum cross­ sectional area of each cable if the yield stress of the cable is 400 MPa and the factor of safety is 2.0. Consider load P only; ignore the weight of bar ABC and the cables.

For the figure shown, a 250-lb bar AB is supported by 4-in. diameter cable CD and pinned at B. The bar 7ft carries a load of 700- lb. st d. Determine the reaction at point B. b.Determine the normal 700 1b stress in cable CD. C.What is the shear stress at pin B assuming it is double shear? Pin diameter is 4 in.

A truss system carries a suspended 900 kg-Crate at A. The cross-sectional areas are 120 mm² and 150 mm² for tensile and compressive members, respectively. Indicate Tor C. a. What is the axial stress at member AB? b. What is the axial stress at member BC? C. What is the axial stress at member CD ? cable D WEI B 12m 70° 12m 75m с A

4) The cable shown in the figure is subjected to the forces P, and Q. 4-a) Determine the support reactions. 4-b) Find the minimum, and the maximum tension in the cable. P = 10 KN Q = 25 KN a = 10 m A A a с с P a E E a B B B a A 2a E