A 250 mm Fig. P4.22 250 mm D 200 mm 30° B 500 N 4.22 A lever AB is hinged at C and attached to a control cable at A. If the lever is subjected to a 500-N horizontal force at B, determine (a) the tension in the cable, (b) the reaction at C.

Statics

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The electric power transmission tower supports two wires that apply 18 kN vertical forces, and the 36 kN horizontal force crudely models wind loading during a storm. Determine the bar force in member AC, BE, AD, BD, CD.

250 mm 250 mm D 200 mm 30° B 500 N A lever AB is hinged at C and attached to a control cable at A. If the lever is subjected to a 500-N horizontal force at B, determine (a) the tension in the cable, (b) the reaction at C.

Determine (approximate) the internal moments at A and C caused by the vertical loading. 3kN/m K 6kN/m 6kN/m H. J E A В -7m -8m

3-4) A rectangular plate is supported by brackets at A and B and awire co. if the tension in the wire IS 200 N, determine the moment about A of the force exerted by the wire on point Omm 240mm POnn 240M

2-15. Part of a control linkage for an airplane consists of a rigid member CB and a flexible cable AB. If a force is applied to the end Bof the member and causes a normal strain in the cable of 0.004 mm/mm determine the displacement of point B. Originally the cable is unstretched. > P 800 mm 600mm

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Compute for the reaction at the roller B, the force components acting on the ball and-socket at A, and the value of T, if the tension on the cord CD=50kN needed for equilibrium of the quarter circular plate. (Neglect weight of the quarter circle)