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physics
mechanics
Vector Mechanics for Engineers Statics and Dynamics 11th edition Ferdinand Beer, E. Russell Johnston Jr., David Mazurek, Phillip Cornwell, Brian Self - Solutions
Determine the force in each member of the truss shown. State whether each member is in tension or compression.
Using the method of joints, determine the force in each member of the truss shown. State whether each member is in tension or compression.
Determine the zero-force members in the truss of(a) Problem 6.21,(b) Problem 6.27.
The truss shown consists of six members and is supported by a short link at A, two short links at B, and a ball and socket at D. Determine the force in each of the members for the given loading.
The truss shown consists of six members and is supported by a ball and socket at B, a short link at C, and two short links at D. Determine the force in each of the members for P = (-2184 N)j and Q = 0.
The truss shown consists of six members and is supported by a ball and socket at B, a short link at C, and two short links at D. Determine the force in each of the members for P = 0 and Q = (2968 N)i.
The truss shown consists of nine members and is supported by a ball and socket at A, two short links at B, and a short link at C. Determine the force in each of the members for the given loading.
The truss shown consists of nine members and is supported by a ball and socket at B, a short link at C, and two short links at D. (a) Check that this truss is a simple truss, that it is completely constrained, and that the reactions at its supports are statically determinate. (b) Determine the
Using the method of joints, determine the force in each member of the truss shown. State whether each member is in tension or compression.
Solve Problem 6.39 for P = 0 and Q = (-900 N)k.PROBLEM 6.39* The truss shown consists of nine members and is supported by a ball and socket at B, a short link at C, and two short links at D. (a) Check that this truss is a simple truss, that it is completely constrained, and that the reactions at
Determine the force in members BD and CD of the truss shown.
Determine the force in members DF and DG of the truss shown.
Determine the force in members CD and DF of the truss shown.
Determine the force in members FG and FH of the truss shown.
Determine the force in members CD and DF of the truss shown.
Using the method of joints, determine the force in each member of the truss shown. State whether each member is in tension or compression.
Determine the force in members CE and EF of the truss shown.
Determine the force in members DE and DF of the truss shown when P = 20 kips.
Determine the force in members EG and EF of the truss shown when P = 20 kips.
Determine the force in members DF and DE of the truss shown.
Determine the force in members CD and CE of the truss shown
A monosloped roof truss is loaded as shown. Determine the force in members CE, DE, and DF.
A monosloped roof truss is loaded as shown. Determine the force in members EG, GH, and HJ.
A Howe scissors roof truss is loaded as shown. Determine the force in members DF, DG, and EG.
A Howe scissors roof truss is loaded as shown. Determine the force in members GI, HI, and HJ.
Determine the force in members AD, CD, and CE of the truss shown.
Using the method of joints, determine the force in each member of the truss shown. State whether each member is in tension or compression.
Determine the force in members DG and FI of the truss shown.
Determine the force in members GJ and IK of the truss shown.
Determine the force in members EH and GI of the truss shown.
Determine the force in members HJ and IL of the truss shown.
The diagonal members in the center panels of the power transmission line tower shown are very slender and can act only in tension; such members are known as counters. For the given loading, determine(a) Which of the two counters listed below is acting,(b) The force in that counter.Counters CJ and HE
The diagonal members in the center panels of the power transmission line tower shown are very slender and can act only in tension; such members are known as counters. For the given loading, determine (a) which of the two counters listed below is acting, (b) the force in that counter.Counters IO and
Using the method of joints, determine the force in each member of the truss shown. State whether each member is in tension or compression.
Determine the force in member BD and the components of the reaction at C.
Determine the force in member BD and the components of the reaction at C.
For the frame and loading shown, determine the components of all forces acting on member ABC.
Using the method of joints, determine the force in each member of the truss shown. State whether each member is in tension or compression.
Solve Problem 6.79 assuming that the 18-kN load is replaced by a clockwise couple of magnitude 72 kN · m applied to member CDEF at Point D.PROBLEM 6.79 For the frame and loading shown, determine the components of all forces acting on member ABC.
Determine the components of all forces acting on member ABCD when θ = 0.
Determine the components of all forces acting on member ABCD when θ = 90°.
Determine the components of the reactions at A and E,(a) If the 800-N load is applied as shown,(b) If the 800-N load is moved along its line of action and is applied at point D.
Determine the components of the reactions at D and E if the frame is loaded by a clockwise couple of magnitude 150 N · m applied (a) at A, (b) at B.
Determine the components of the reactions at A and B,(a) If the 500-N load is applied as shown,(b) If the 500-N load is moved along its line of action and is applied at Point F.
The 48-lb load can be moved along the line of action shown and applied at A, D, or E. Determine the components of the reactions at B and F if the 48-lb load is applied(a) At A,(b) At D,(c) At E.
The 48-lb load is removed and a 288-lb · in. clockwise couple is applied successively at A, D, and E. Determine the components of the reactions at B and F if the couple is applied(a) At A,(b) At D,(c) At E.
Determine the force in each member of the truss shown. State whether each member is in tension or compression.
Knowing that each pulley has a radius of 250 mm, determine the components of the reactions at D and E.
Knowing that the pulley has a radius of 75 mm, determine the components of the reactions at A and B.
A 3-ft-diameter pipe is supported every 16 ft by a small frame like that shown. Knowing that the combined weight of the pipe and its contents is 500 lb/ft and assuming frictionless surfaces, determine the components (a) of the reaction at E, (b) of the force exerted at C on member CDE.
Solve Problem 6.93 for a frame where h = 6 ft.PROBLEM 6.93 A 3-ft-diameter pipe is supported every 16 ft by a small frame like that shown. Knowing that the combined weight of the pipe and its contents is 500 lb/ft and assuming frictionless surfaces, determine the components (a) of the reaction at
A trailer weighing 2400 lb is attached to a 2900-lb pickup truck by a ball-and-socket truck hitch at D. Determine(a) The reactions at each of the six wheels when the truck and trailer are at rest,(b) The additional load on each of the truck wheels due to the trailer.
In order to obtain a better weight distribution over the four wheels of the pickup truck of Problem 6.95, a compensating hitch of the type shown is used to attach the trailer to the truck. The hitch consists of two bar springs (only one is shown in the figure) that fit into bearings inside a
Knowing that P = 90 lb and Q = 60 lb, determine the components of all forces acting on member BCDE of the assembly shown.
For the frame and loading shown, draw the free-body diagram(s) needed to determine the force in member BD and the components of the reaction at C.
For the frame and loading shown, draw the free-body diagram(s) needed to determine the components of all forces acting on member ABC.
Draw the free-body diagram(s) needed to determine all the forces exerted on member AI if the frame is loaded by a clockwise couple of magnitude 1200 lb · in. applied at point D.
Knowing that the pulley has a radius of 0.5 m, draw the free-body diagram(s) needed to determine the components of the reactions at A and E.
An 84-lb force is applied to the toggle vise at C. Knowing that θ = 90°, draw the free-body diagram(s) needed to determine the vertical force exerted on the block at D.
For the system and loading shown, draw the free-body diagram(s) needed to determine the force P required for equilibrium.
A small barrel weighing 60 lb is lifted by a pair of tongs as shown. Knowing that a = 5 in., draw the free-body diagram(s) needed to determine the forces exerted at B and D on tong ABD.
The position of member ABC is controlled by the hydraulic cylinder CD. Knowing that θ = 30°, draw the free-body diagram(s) needed to determine the force exerted by the hydraulic cylinder on pin C, and the reaction at B.
Determine the internal forces (axial force, shearing force, and bending moment) at Point J of the structure indicated.Frame and loading of Problem 6.76.
Determine(a) The distance dC for which portion BC of the cable is horizontal,(b) The corresponding components of the reaction at E.
Knowing that mB = 70 kg and mC = 25 kg, determine the magnitude of the force P required to maintain equilibrium.
Knowing that mB = 18 kg and mC = 10 kg, determine the magnitude of the force P required to maintain equilibrium.
Cable ABC supports two loads as shown. Knowing that b= 21 ft, determine (a) the required magnitude of the horizontal force P, (b) the corresponding distance a.
Cable ABC supports two loads as shown. Determine the distances a and b when a horizontal force P of magnitude 200 lb is applied at A.
If a= 3 m, determine the magnitudes of P and Q required to maintain the cable in the shape shown.
If a = 4 m, determine the magnitudes of P and Q required to maintain the cable in the shape shown.
The total mass of cable AC is 25 kg. Assuming that the mass of the cable is distributed uniformly along the horizontal, determine the sag h and the slope of the cable at A and C.
Cable ACB supports a load uniformly distributed along the horizontal as shown. The lowest Point C is located 9 m to the right of A. Determine(a) The vertical distance a,(b) The length of the cable,(c) The components of the reaction at A.
A steam pipe weighting 45 lb/ft that passes between two buildings 40 ft apart is supported by a system of cables as shown. Assuming that the weight of the cable system is equivalent to a uniformly distributed loading of 5 lb/ft, determine(a) The location of the lowest Point C of the cable,(b) The
A 25-ft chain with a weight of 30 lb is suspended between two points at the same elevation. Knowing that the sag is 10 ft, determine (a) The distance between the supports, (b) The maximum tension in the chain.
A 500-ft-long aerial tramway cable having a weight per unit length of 2.8 lb/ft is suspended between two points at the same elevation. Knowing that the sag is 125 ft, find(a) The horizontal distance between the supports,(b) The maximum tension in the cable.
A 40-m cable is strung as shown between two buildings. The maximum tension is found to be 350 N, and the lowest point of the cable is observed to be 6 m above the ground. Determine(a) The horizontal distance between the buildings,(b) The total mass of the cable
The axis of the curved member AB is a parabola with vertex at A. If a vertical load P of magnitude 450 lb is applied at A, determine the internal forces at J when h= 12 in., L= 40 in., and a= 24 in.
A 50-m steel surveying tape has a mass of 1.6 kg. If the tape is stretched between two points at the same elevation and pulled until the tension at each end is 60 N, determine the horizontal distance between the ends of the tape. Neglect the elongation of the tape due to the tension.
A 20-m length of wire having a mass per unit length of 0.2 kg/m is attached to a fixed support at A and to a collar at B. Neglecting the effect of friction, determine(a) The force P for which h = 8 m,(b) The corresponding span L.
A 20-m length of wire having a mass per unit length of 0.2 kg/m is attached to a fixed support at A and to a collar at B. Knowing that the magnitude of the horizontal force applied to the collar is P = 20 N, determine(a) The sag h,(b) The span L.
A 20-m length of wire having a mass per unit length of 0.2 kg/m is attached to a fixed support at A and to a collar at B. Neglecting the effect of friction, determine(a) The sag h for which L= 15 m,(b) The corresponding force P.
Determine the sag of a 30-ft chain that is attached to two points at the same elevation that are 20 ft apart.
A counterweight D is attached to a cable that passes over a small pulley at A and is attached to a support at B. Knowing that L= 45 ft and h = 15 ft, determine(a) The length of the cable from A to B,(b) The weight per unit length of the cable. Neglect the weight of the cable from A to D.
A 90-m wire is suspended between two points at the same elevation that are 60 m apart. Knowing that the maximum tension is 300 N, determine (a) the sag of the wire, (b) the total mass of the wire.
A cable weighing 2 lb/ft is suspended between two points at the same elevation that are 160 ft apart. Determine the smallest allowable sag of the cable if the maximum tension is not to exceed 400 lb.
A uniform cord 50 in. long passes over a pulley at B and is attached to a pin support at A. Knowing that L= 20 in. and neglecting the effect of friction, determine the smaller of the two values of h for which the cord is in equilibrium.
Knowing that the axis of the curved member AB is a parabola with vertex at A, determine the magnitude and location of the maximum bending moment.
A motor M is used to slowly reel in the cable shown. Knowing that the mass per unit length of the cable is 0.4 kg/m, determine the maximum tension in the cable when h= 3 m.
The cable ACB has a mass per unit length of 0.45 kg/m. Knowing that the lowest point of the cable is located at a distance a = 2 m below the support A, determine(a) The location of the lowest Point C,(b) The maximum tension in the cable.
A uniform cable weighing 3 lb/ft is held in the position shown by a horizontal force P applied at B. Knowing that P=180 lb and θA =60°, determine(a) The location of Point B,(b) The length of the cable.
To the left of Point B the long cable ABDE rests on the rough horizontal surface shown. Knowing that the mass per unit length of the cable is 2 kg/m, determine the force F when a= 3.6 m.
To the left of Point B the long cable ABDE rests on the rough horizontal surface shown. Knowing that the mass per unit length of the cable is 2 kg/m, determine the force F when a= 6 m.
The 10-ft cable AB is attached to two collars as shown. The collar at A can slide freely along the rod; a stop attached to the rod prevents the collar at B from moving on the rod. Neglecting the effect of friction and the weight of the collars, determine the distance a.
A cable has a mass per unit length of 3 kg/m and is supported as shown. Knowing that the span L is 6 m, determine the two values of the sag h for which the maximum tension is 350 N.
Knowing that the turnbuckle has been tightened until the tension in wire AD is 850 N, determine the internal forces at point indicated:Point J.
Knowing that the turnbuckle has been tightened until the tension in wire AD is 850 N, determine the internal forces at point indicated:Point K.
Knowing that the radius of each pulley is 150 mm, that α = 20°, and neglecting friction, determine the internal forces at(a) Point J,(b) Point K.
For the beam shown, determine(a) The magnitude P of the two upward forces for which the maximum absolute value of the bending moment in the beam is as small as possible,(b) The corresponding value of |M|max.
A wire having a mass per unit length of 0.65 kg/m is suspended from two supports at the same elevation that are 120 m apart. If the sag is 30 m, determine(a) The total length of the wire,(b) The maximum tension in the wire.
Determine the internal forces (axial force, shearing force, and bending moment) at Point J of the structure indicated.Frame and loading of Problem 6.78.
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