3-3 A homogeneous cylinder weighing 500 lb rests against two smooth planes that form a trough as shown in Fig. P3-3. Determine the forces exerted on the cylinder by the planes at contact points A and B. 30°
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- The homogeneous 20-kg door is held in the horizontal plane by a thrust hinge at O, a hinge at A, and the vertical prop BC. Determine all forces acting on the door.Crane boom of mass 450 kg with its center of mass at C isstabilized by two cables AQ and BQ. The crane boom lies in the y–zplane. Find the forces in each cable (P=20 kN)Q4: of a car غطاء محرك The i Jul. The bonnet is held open at an angle of 60° to the horizontal by a vertical force V applied at one end of the bonnet (shown on the diagram). The long, has a weight of 25 N and its center diagram shows the open bonnet bonnet is 0.90 m of gravity G is 0.35 m from the hinge at O. 1) On the diagram, draw and label the two forces other than V acting on the bonnet. By taking moments about A, Proof that the vertical 2) force V applied at the end of the bonnet is 9.7 N. 3) Calculate the magnitude of the force acting at the hinge ON.
- Q.2 The 50-KN smooth sphere rests on the 30° inclined A and bears against the smooth vertical wall B. Calculate the contact forces at A and B.B. Cords are oop around s simall spaces eparating (wo eylinders whose total weight is 375 kg as shown in figure. These cords pass over frctonless pulley o weights of 85 kg and 130 kg. Determine the angle & and the normal Force N between the cylinder the smooth surface. ‘Weight = 375 kg,The jib crane is fixed at (A) and carry a box of ( 2500 kg ) mass, as shown in the figure. Determine the reactions on the jib crane at point ( A ). 60 5 m 7 m
- The 30 kg block C, rests on the uniform 15 kg bar AB. The cable connecting C to B passes over a pulley at D. Find the magnitude of the force acting between the block and the bar.Draw the Free-Body Diagram if the weight acts on point G3.1: Determine the tension in cables BA and BC necessary to support the 60 kg cylinder in fig 3-3. Fig3-3
- 3. Determine the force components acting on ball joint A, the reaction at roller B, and the tension in the CD string necessary for the balance of the quadrant plate circularThe wheelbarrow has a mass of 75 kg, determine the vertical force the mas should exert to tilt the wheelbarrow and the contact force at point A of the horizontal smooth surface. Fv= NA =The homogeneous bar AB weighs 25 lb. Determine the magnitudes of the forces acting on the bar at A and B. Neglect friction.