Statics and Mechanics of Materials (5th Edition)
5th Edition
ISBN: 9780134382593
Author: Russell C. Hibbeler
Publisher: PEARSON
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Chapter 5.5, Problem 59P
To determine
Find the couple M that must be applied to AB to hold the
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Why does the single thrust bearing have two couple moments? is it not supported by the tension cable at CB?
5-78. The hatch door has a weight of 80 lb and center of
gravity at G. If the force F applied to the handle at C has
coordinate direction angles of a = 60°, ß = 45°, and
y = 60°, determine the magnitude of F needed to hold the
door slightly open as shown. If the hinge at A becomes loose
from its attachment and is ineffective, what are the x, y, z
components of reaction at hinge B?
2
4 ft
3 ft.
2 ft
3 ft
C
B
X
F
Probs. 5-77/78
R4-6. A vertical force of 400 N acts on the crankshaft.
Determine the horizontal equilibrium force P that must be
applied to the handle and the x, y, z components of reaction
at the journal bearing A and thrust bearing B. The bearings
are properly aligned and exert only force reactions on
the shaft.
400 N
250 mm y
350 mm
350 mm
150 mm
200 mm
100 mm
Chapter 5 Solutions
Statics and Mechanics of Materials (5th Edition)
Ch. 5.3 - In each ease, calculate the support reactions and...Ch. 5.3 - Identify the zero-force members in each truss....Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - Determine the greatest load P that can be applied...Ch. 5.3 - Identify the zero-force members in the truss....Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - Determine the force in each member of the truss...
Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - Determine the force in each member of the truss,...Ch. 5.3 - Determine the force in each member of the truss,...Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - Determine the force in each member of the truss in...Ch. 5.3 - Members AB and BC can each support a maximum...Ch. 5.3 - Members AB and BC can each support a maximum...Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - If the maximum force that any member can support...Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.3 - Determine the force in each member of the truss...Ch. 5.4 - Determine the force in members BC, CF, and FE and...Ch. 5.4 - Determine the force in members LK, KC, and CD of...Ch. 5.4 - Determine the force in members KJ, KD, and CD of...Ch. 5.4 - Determine the force in members EF, CF, and BC of...Ch. 5.4 - Determine the force in members GF, GD, and CD of...Ch. 5.4 - Determine the force in members DC, HI, and JI of...Ch. 5.4 - Determine the force in members DC, HC and HI of...Ch. 5.4 - Determine the force in members ED, EH, and GH of...Ch. 5.4 - Determine the force in members HG, HE, and DE of...Ch. 5.4 - Determine the force in members CD, HI, and CH of...Ch. 5.4 - Determine the force in members CD, CJ, KJ, and DJ...Ch. 5.4 - Prob. 22PCh. 5.4 - The Howe truss is subjected to the loading shown....Ch. 5.4 - The Howe truss is subjected to the loading shown....Ch. 5.4 - Determine the force in members EF, CF, and BC, and...Ch. 5.4 - Determine the force in members AF, BF, and BC, and...Ch. 5.4 - Prob. 27PCh. 5.4 - Determine the force in members BC, BE, and EF of...Ch. 5.4 - Prob. 29PCh. 5.4 - Determine the force in members CD, CF, and CG and...Ch. 5.4 - Determine the force developed in members FE, EB,...Ch. 5.5 - In each ease, identify any two-force members, and...Ch. 5.5 - F5-13. Determine the force P needed to hold the...Ch. 5.5 - Determine the horizontal and vertical components...Ch. 5.5 - If a 100-N force is applied to the handles of the...Ch. 5.5 - Determine the horizontal and vertical components...Ch. 5.5 - Determine the force P required to hold the 100-lb...Ch. 5.5 - In each case, determine the force P required to...Ch. 5.5 - Determine the force P required to hold the 50-kg...Ch. 5.5 - Determine the force P required to hold the 150-kg...Ch. 5.5 - Determine the reactions at the supports A, C, and...Ch. 5.5 - Determine the resultant force at pins A, B, and C...Ch. 5.5 - Determine the reactions at the supports at A, E,...Ch. 5.5 - The wall crane supports a load of 700 lb....Ch. 5.5 - The wall crane supports a load of 700 lb....Ch. 5.5 - Determine the horizontal and vertical components...Ch. 5.5 - Determine the force in members FD and DB of the...Ch. 5.5 - Determine the force that the smooth 20-kg cylinder...Ch. 5.5 - The three power lines exert the forces shown on...Ch. 5.5 - The pumping unit is used to recover oil. When the...Ch. 5.5 - Determine the force that the jaws J of the metal...Ch. 5.5 - Prob. 47PCh. 5.5 - Prob. 48PCh. 5.5 - Prob. 49PCh. 5.5 - Determine the force created in the hydraulic...Ch. 5.5 - The hydraulic crane is used to lift the 1400-lb...Ch. 5.5 - Determine force P on the cable if the spring is...Ch. 5.5 - Prob. 53PCh. 5.5 - Prob. 54PCh. 5.5 - Prob. 55PCh. 5.5 - Determine the force P on the cable if the spring...Ch. 5.5 - Prob. 57PCh. 5.5 - Prob. 58PCh. 5.5 - Prob. 59PCh. 5.5 - Prob. 60PCh. 5.5 - The platform scale consists of a combination of...Ch. 5 - All the problems solutions must include FBDs....Ch. 5 - Determine the force in each member of the truss...Ch. 5 - Determine the force in member GJ and GC of the...Ch. 5 - Determine the force in members GF, FB, and BC of...Ch. 5 - Prob. 5RPCh. 5 - Determine the horizontal and vertical components...Ch. 5 - Prob. 7RPCh. 5 - Determine the resultant forces at pins B and C on...
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- if the rod is subjected to the 200-lb vertical force and the 330 lb-t bearings. Determine the components of reaction at the bearings *5-80. The bent rod is supported at A, B, and C by journal Prob. 5-79 at A and n at these couple moment. The bearings exert only force reactions on the rod. proper alignment 5-82. are in journa and cause The be reactic 1 ft 30 lb ft 1 45° 2 ft B. 1 ft 200 lb 2 ft Prob. 5-80arrow_forward5-28. The hatch door has a weight of 80 lb and cente gravity at G. If the force F applied to the handle at C coordinate direction angles of a = 60°, B = 45°, y = 60°, determine the magnitude of F needed to hold door slightly open as shown. The hinges are in pr alignment and exert only force reactions on the d Determine the components of these reactions if A ex only x and z components of force and B exerts x, y, z f components. z 4 ft ---3-72 3 ft C Prob. 5-28 B X Farrow_forward*4-52. The automobile has a mass of 2 Mg and center of mass at G. Determine the towing force F required to move the car if the back brakes are locked, and the front wheels are free to roll. Take p, = 0.3. G. 30 03m 0.6 m -1.50 m 0.75 marrow_forward
- 5-54. The skid-steer loader has a mass of 1.18 Mg, and in the position showa the center of mass is at Gj. If there is a 300-kg stone in the bucket, with center of mass at Gz, determine the reactions of each pair of wheels A and B on the ground and the force in the hydraulic cylinder CD and at the pin E. There is a similar linkage on each side of the loader. 1.25 m 05 m 0.15 m 1.5 m 0.75 marrow_forward5-44. The 10-kg uniform rod is pinned at end A. If it is also subjected to a couple moment of 50 N-m, determine the smallest angle u for equilibrium. The spring is un-stretched when u = 0, and has a stiffness of k= 60 N/m. k = 60 N/m -0.5 m- B 2 m 50 N marrow_forward*3-16. Determine the stretch of each spring for equilibrium of the 20-kg cylinder. Prob. 3-16 B 4 m kAB = 300 N/m А kAC = 200 N/m 3 m kAD= 400 N/m %3D C - 3 marrow_forward
- R5-6. A vertical force of 400 N acts on the crankshaft. Determine the horizontal equilibrium force P that must be applied to the handle and the x, y, z components of reaction at the journal bearing A and thrust bearing B. The bearings are properly aligned and exert only force reactions on the shaft. z P 400 N 150 mm 200 mm 350 mm 100 mm B 250 mm y 350 mmarrow_forwardThe piston C moves vertically between the two smooth walls. If the spring has a stiffness of k = 12 lb/in, and is unstretched when θ = 0°, determine the couple M that must be applied to AB to hold the mechanism in equilibrium when θ = 20°. PLEASE ANSWER CORRECTLY TYPEarrow_forward4-37. The rod assembly is used to support the 1.25-kN cylinder. Determine the components of reaction at the ball- and-socket joint A, the smooth journal bearing E, and the force developed along rod CD. The connections at Cand D are ball-and-socket joints. 0.3 m 0.3 m 03m 0,45 marrow_forward
- *3-16. Determine the stretch of each spring for equilibrium of the 20-kg cylinder. Problem 3-16 Ja KAD=400 N/m KAB = 300 N/m KAC = 200 N/m 3 m 4 m 3 marrow_forward5-53. The pipe cutter is clamped around the pipe P. If the wheel at A exerts a normal force of F, - 80 N on the pipe, determine the normal forces of wheels B and Con the pipe. Also calculate the pin reaction on the wheel at C. The three wheels each have a radius of 7 mm and the pipe has an outer radius of 10 mm. 10 mm B 10 mmarrow_forward4-18. A boy stands out at the end of the diving board, which is supported by two springs A and B, each having a stiffness of k-15 kN/m. In the position shown the board is horizontal. If the boy has a mass of 40 kg, determine the angle of tilt which the board makes with the horizontal after he jumps off. Neglect the weight of the board and assume it is rigid. 3marrow_forward
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