1 Introduction To Statics 2 Basic Operations With Force Systems 3 Resultants Of Force Systems 4 Coplanar Equilibrium Analysis 5 Three-dimensional Equilibrium 6 Beams And Cables 7 Dry Friction 8 Centroids And Distributed Loads 9 Moments And Products Of Inertia Of Areas 10 Virtual Work And Potential Energy Chapter5: Three-dimensional Equilibrium
Chapter Questions Section: Chapter Questions
Problem 5.1P: Bar AB of negligible weight is supported by a ball-and-socket joint at B and two cables attached at... Problem 5.2P: Draw the FBD for the bar described in Prob. 5.1 if the bar is homogeneous of mass 50 kg. Count the... Problem 5.3P: The space truss ABCD in the shape of a tetrahedron is suspended from three vertical links. Assuming... Problem 5.4P: Draw the FBD of the portion BCD of the space truss described in Prob. 5.3. How many unknowns appear... Problem 5.5P: The homogeneous plate of weight W is supported by a ball-and-socket joint at D and three wires. Draw... Problem 5.6P: The bar ABCD of negligible weight is supported by a slider hearing at A, a thrust hearing at D, and... Problem 5.7P: The shaft-pulley assembly is supported by the universal joint at O and by the slider hearing at A.... Problem 5.8P: The 60-lb homogeneous door is supported by hinges at A and B, with only the hinge at B being capable... Problem 5.9P: Draw the FBD for bar BCD. The connections at A and B are ball-and-socket joints, C is a slider... Problem 5.10P: The homogeneous 360-lb plate with a rectangular cutout is suspended from three wires. Draw the FBD... Problem 5.11P: The L-shaped rod, supported by slider bearings at A and B, passes through a hole in the cantilever... Problem 5.12P: The homogeneous 240-lb bar is supported by a rough horizontal surface at A, a smooth vertical... Problem 5.13P: In Sample Problem 5.4, determine the tension TAC using the equation MDB=0. Problem 5.14P: In Sample Problem 5.5, compute the tension TAD using one scalar equilibrium equation. Problem 5.15P: In Sample Problem 5.5, determine Oy with one scalar equilibrium equation. Problem 5.16P: Determine the tension TB in Sample Problem 5.6 using one scalar equilibrium equation. Problem 5.17P: Compute the tension TAE in Sample Problem 5.7 using one scalar equilibrium equation. Problem 5.18P: The 80-lb homogeneous plate is suspended from four wires. Determine the tension in each wire. Problem 5.19P: The three bars are welded together to form a rigid unit that is supported by three slider bearings.... Problem 5.20P: The compound bar is supported by a thrust bearing at A, a slider hearing at B, and the cable CD.... Problem 5.21P: The homogeneous 20-kg door is held in the horizontal plane by a thrust hinge at O, a hinge at A, and... Problem 5.22P: The light boom AB is attached to the vertical wall by a ball-and-socket joint at A and supported by... Problem 5.23P: The homogeneous 80-kg sign is suspended from a ball-and-socket joint at O, and cables AD and BC.... Problem 5.24P: The bar ABC is supported by a ball-and-socket at A and a slider hearing at C. Determine the... Problem 5.25P: Determine the forces in members PAE,PAF, and PBG of the space truss. Also compute the magnitude of... Problem 5.26P: The figure shows the FBD of a portion of the space truss shown in Fig. P5.25. Use this FBD to find... Problem 5.27P: Calculate all forces acting on the bar AB described in Prob. 5.1. Problem 5.28P: Determine the forces in members AD, BD, and CD of the space truss in Prob. 5.3. Problem 5.29P: Find the tension in cable BE that supports the bar ABCD described in Prob. 5.6. Problem 5.30P: For the structure in Prob. 5.9, determine the reactions at C and D. Problem 5.31P: Calculate the reaction at D for the structure described in Prob. 5.11. Problem 5.32P: Calculate the reaction at D for the structure described in Prob. 5.11. Problem 5.33P: Determine the tension in each of the three ropes supporting the 800-lb crate. Problem 5.34P: Using only one equilibrium equation, compute the force in rope AD of Prob. 5.33. Problem 5.35P: The homogeneous 25-kg bar AB is supported by a ball-and-socket joint at A. End B, which leans... Problem 5.36P: The shaft AB is supported by a thrust bearing at A and a slider bearing at B. Determine the force in... Problem 5.37P: The bar ABCD has a built-in support at A. Calculate the force and the couple exerted by the support... Problem 5.38P: The total weight of the L-shaped beam of constant cross section is 2700 lb. The beam is hoisted by... Problem 5.39P: The bent rod of negligible weight is supported by the ball-and-socket joint at B and the cables... Problem 5.40P: A 120-lb weight is attached to the cable that is wrapped around the 50-lb homogeneous drum. The... Problem 5.41P: Calculate the force in cable CD and the reaction at O. Assume that O, A, and B are ball-and-socket... Problem 5.42P: The 350-lb homogeneous plate has the shape of an isosceles triangle. The plate is supported by a... Problem 5.43P: The bent rod ABCD is supported by a ball-and-socket joint at A, a slider hearing at D, and a... Problem 5.44P: A hoist is formed by connecting bars BD and BE to member ABC. Neglecting the weights of the members... Problem 5.45P: The crank arm OD of the winch is connected by a universal joint at D to the shaft-pulley assembly.... Problem 5.46P: The 80-lb homogeneous plate is supported by a ball-and-socket joint at A, a slider hearing at B, and... Problem 5.47P: The frame is built into the wall at D and G. The cross-members AE and BF pass through frictionless... Problem 5.48P: The bent bar of negligible weight is supported by slider bearings at A, B, and C. Determine the... Problem 5.49P: Determine the reactions at ball-and-socket joints D, E, and F of the space truss shown. Express the... Problem 5.50RP: The 180-lb homogeneous bar is supported by a ball-and-socket joint at A and two cables attached to... Problem 5.51RP: The bent rod is supported by a ball-and-socket joint at O, a cable at B, and a slider bearing at D.... Problem 5.52RP: Find the maximum load P that can be supported by the tripod if the force in any leg is limited to 8... Problem 5.53RP: The vertical mast OA, which weighs 1.5 kN, is supported by a ball-and-socket joint at O and by the... Problem 5.54RP: The homogeneous bar AB weighs 50-lb. End B leans against a vertical wall and end A is supported by a... Problem 5.55RP: The 500-kg crate is supported by the three cables. Find the tension in cable AD. Problem 5.56RP: The uniform bars AB and BC each weigh 4 lb/ft. Calculate the tension in cable DE, and the magnitudes... Problem 5.57RP: The rigid body of negligible weight is supported by a ball-and-socket joint at A, a slider bearing... Problem 5.58RP: The homogeneous 860-kg bar AB is supported by a ball-and-socket joint at A and two cables attached... Problem 5.59RP: The triangular plate is supported by three vertical rods, each of which is able to carry a tensile... Problem 5.60RP: The connections at the ends of bars AB and BC arc ball-and-socket joints. Neglecting the weights of... Problem 5.61RP: The bar AEB is supported by a ball-and-socket joint at A and the cables BC and BD. Find the force in... Problem 5.62RP: The shaft is supported by a thrust bearing at A and a slider bearing at B. Rotation of the shaft is... Problem 5.13P: In Sample Problem 5.4, determine the tension TAC using the equation MDB=0.
Related questions
Transcribed Image Text: E
6 ft
A
B
3ft
D
4 ft
-3 ft 4ft
F
C
300 lb
I
PROBLEM STATEMENT
A 7-ft boom is held by a ball and socket at A and by two
cables EBF and DC; cable EBF passes around a frictionless
pulley at B. Determine the tension in each cable.
Branch of science that deals with the stationary and moving bodies under the influence of forces.
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