3.78 The 200-kg slider at A is held in place on the smooth vertical bar by the cable AB. (a) Determine the tension in the cable. (b) Determine the force exerted on the slider by the bar.
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- The 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:A transmission tower is held by three guy wires attached to a pin at A and anchored by bolts at B, C, and D. If the tension in wire AC is 920 lb, determine the vertical force P exerted by the tower on the pin at A.A transmission tower is held by three guy wires attached to a pin at A and anchored by bolts at B, C and D . If the tension in wire AB is 840 lb, determine the vertical force P exerted by the tower on the pin at A.
- 3. A 392-N force parallel to the plane is required to support a body on an inclined plane, of height 300 m and base 400 m. If the force exerted by the plane on the body is 780N, a. what is the weight of the body? b. what is the frictional force between the body and the plane?A 200-kg cylinder is hung by means of two cables AB and AC that are attached to the top of a vertical wall. A horizontal force P perpendicular to the wall holds the cylinder in the position shown. Determine the magnitude of P and the tension in each cable.(2) An artist designs an oval mobile that is supposed to hang horizontal as shown. If the weights at both A and B are each 8 kN, what is the tension at C and the counterweight force at D? You may neglect the weight of the oval. 2 m 1 m 2 m