PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 6P
Determine the moment of each force about the bolt located at A. Take FB = 40 lb, FC = 50 lb.
Probs. 4–9/10
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*4–8.
Determine the moment of each of the three forces
about point B.
Fj = 250 N
30
F2 = 300 N
60
-2 m-
-3 m-
4
4'm
В
3
F3= 500 N
4-6. The crowbar is subjected to a vertical force of P 25 lb
at the grip, whereas it takes a force of F = 155 lb at the claw to
pull the nail out. Find the moment of each force about point A
and determine if P is sufficient to pull out the nail. The crowbar
contacts the board at point A.
F
60°
20°
3 in.
P
A
14 in.
1.5 in.
Prob. 4-6
*4-60. Determine the magnitude of the moment
produced by the force of F = 200 N about the hinged axis
(the x axis) of the door.
0.5 m
B.
AF = 200 N
2 m
15
2.5 m
1 m
Chapter 4 Solutions
PEARSON ETEXT ENGINEERING MECH & STATS
Ch. 4 - Determine the moment of the force about point O.Ch. 4 - Determine the moment of the force about point O.Ch. 4 - Determine the resultant moment produced by the...Ch. 4 - Determine the resultant moment produced by the...Ch. 4 - Determine the resultant moment produced by the...Ch. 4 - Determine the moment about point B of each of the...Ch. 4 - Determine the moment of each of the three forces...Ch. 4 - Determine the moment of each of the three forces...Ch. 4 - Determine the moment of each force about the bolt...Ch. 4 - Two men exert forces of F = 80 lb and P = 50 lb on...
Ch. 4 - Prob. 13PCh. 4 - In order to pull out the nail at B, the force F...Ch. 4 - The tower crane is used to hoist the 2-Mg load...Ch. 4 - The tower crane is used to hoist a 2-Mg load...Ch. 4 - Prob. 39PCh. 4 - Prob. 43PCh. 4 - Prob. 61PCh. 4 - Prob. 100PCh. 4 - Prob. 106PCh. 4 - Prob. 135PCh. 4 - Prob. 154PCh. 4 - Prob. 1RPCh. 4 - Replace the force F having a magnitude of F = 50...Ch. 4 - Prob. 3RPCh. 4 - Prob. 4RPCh. 4 - Prob. 5RPCh. 4 - Prob. 6RPCh. 4 - Prob. 7RPCh. 4 - Prob. 8RP
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- F4-5. Determine the moment of the force about point O. 600 lb 100000 0.5 ft 4000349 O 30° 20° 5 ft Prob. F4-5arrow_forward4-57. Determine the magnitude of the moment that the force F exerts about the y axis of the shaft. Solve the problem using a Cartesian vector approach and using a scalar approach. 250 mm 45 B 200 mm 50 mm F-16 N Prob. 4-57arrow_forward*4-60. Determine the magnitude of the moment produced by the force of F = 200 N about the hinged axis (the x axis) of the door. 0.5 m B. F = 200 N 2 m 15 -y 2.5 m 1 marrow_forward
- 4-26. The foot segment is subjected to the pull of the two plantarflexor muscles. Determine the moment of each force about the point of contact A on the ground. F2 = 30 lb F = 20 lb _30 70 60 4 in. 1 in.- -3.5 in.- Prob. 4-26arrow_forward*4-24. The towline exerts a force of P = 4 kN at the end of the 20-m-long crane boom. If x = 25 m, determine the position 0 of the boom so that this force creates a maximum moment about point O. What is this moment? B P = 4 kN 20 m 1.5 m A Probs. 4-23/24arrow_forward*4-168. Determine the magnitude of the moment of the force Fc about the hinged axis aa of the door. 2.5 m 1.5 m Fc= 250 N 30 1 m 0.5 m Probs. 4-167/168arrow_forward
- 4–5. Determine the moment about point B of each of the three forces acting on the beam. F1 = 375 lb F, = 500 lb 5/4 В. 0.5 ft to 8 ft 6 ft - 5 ft- 30° F3 = 160 lbarrow_forward*4-68. The pipe assembly is secured on the wall by the two brackets. If the flower pot has a weight of 50 lb, determine the magnitude of the moment produced by the weight about the OA axis. 4 ft 3 ft 60° 4 ft 3 ft 30arrow_forward3-40. *3-40. Determine the magnitude of force F in cable AB in order to produce a moment of 750 N·m about the hinged axis CD, which is needed to hold the panel in the position shown. 1.8 m X F Z 1.2 m 1.2 m 2 (0,1.2,3.6) B (18,0,0) Probs. 3-39/40 D 1.8 m (0,2.4, 1.8) 1.8 marrow_forward
- *3-40. Determine the magnitude of force F in cable AB in order to produce a moment of 750 N. m about the hinged axis CD, which is needed to hold the panel in the position shown. 12 m 1.2 m 1.8 m F: 1,8 m 1.8 marrow_forward4-4. Determine the moment about point 4 of each of the three forces acting on the beam. F = 375 lb F₂ = 500 lb 8 ft M 6 ft- 5 ft- 0.5 ft 30° F3 = 160 lbarrow_forward*4-60. Determine produced by the force of F= 200 N about the hinged axis (the x axis) of the door. the magnitude of the moment 0,5m 2m 15 25marrow_forward
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