Activity 3. From a bar subjected by an axial force P, Draw the components of P acting on the inclined plane. 30° ANAD FAS VIN THE
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- The properties of the unequal angle section are Ix=80.9in.4,Iy=38.8in.4, and Iu=21.3in.4. Determine Ixy.2. Four forces are applied to the machine element ABDE as shown to the left. Find the resultant 200 mm force and the resultant moment at point A. (Assume that points A, B, D, and E are located at the centroid of the cross-section of the bar, and that the forces act at these points.) 50 N 40 mm 20 mm B. 300 N R =-420î – 50ĵ– 250k N Ans.: 160 mm M, =0î +30.8ĵ –22k N - m 250 N D A 100 mm E 120 NA heavy door seals an oven used to heat treat parts metallic. The weight of the door is W = 200 lb which acts through the point G located in the center of the 18 "X 18" door. Determine the force supported by cable AB (Take moments on axis CD)
- The Free-Body diagram for joint C is drawn assuming that all internal forces are in tension. Solve for the forces in AC and BC. The forces are positive if in tension, negative if in compression. BC Answers: AC- BC- AC i 48° 7 i 48° CD N N5) Use the method of sections to find the true magnitude and direction in bar DB of the truss. Hint( Joint C is in equilibrium) В 45° F. 4' E 4' -100 Ibswith the following modifications: Replace the vertical 6kN at point B with a horizontal force 6kN acting to the right at the same point.
- A bent pipe is connected by a thrust bearing and a cable as shown. If a Force, F = 184 lb, is applied, what are the reactions at the thrust bearing and in the cable. The dimensions shown are a = 8.7 ft, b = 6.4 ft, and c = 4.5 ft. y NThe uniform 18kg Bar OA is held in the position shown by a smooth pin at 0, and the cable AB which is in tension as shown. 1.5 m 60° B -1.2 m What is the magnitude of the Vertical reaction force at O (Answer in Newtons) Answer: Nex3- Detemine the force T and C 3 kN 20 16 kN 40 8 kN
- 1. Determine the magnitude and direction with respect to the +x axis on the reaction at A and at C. Note that the body is supported by pin at A and a roller at C. The body's weight is negligible. A 2.4 kN-m 400 40° 200 250- Dimensions in mm -300- B 3 kNA frame and loading are shown. B 90 mm A D P 120 mm ' 120 mm ' 120 mm Determine the force acting on member ABC at B. Take P = 400 N. The force acting on member ABC at Bis N.Q.2. The beam EF given in figure weighs 10 N/cm and carries the 138 N weight at its end. It is supported by a ball- and- socket joint at E and the cables AB and CD. Determine the tensions in AB and CD. Find support reactions at E. Зт 3m Зт 3m в