EP ENGR.MECH.-MOD.MASTERING ACCESS
15th Edition
ISBN: 9780134867267
Author: HIBBELER
Publisher: PEARSON CO
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Chapter 4, Problem 18P
In order to pull out the nail at B, the force F exerted on the handle of the hammer must produce a clockwise moment of 500 lb · in. about point A. Determine the required magnitude of force F.
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Please draw the drawing also with solution of querstion
Q-1
Caleulate the magnitude of the moment about the base point O of the 600-N
force in five different ways.
600 N
0-2 Determine the moment of
-875 mm-
the 800-N force about
point A and about point 0.
625 mm
30
F= 800 N
F = 120 N
13
20
Q-3
In stendily turning the water pump, a person exerts
the 120-N force on the handle as shown. Determine
the moment of this force about point O.
150 mm
Ans. Mo-14.74 N-m CW
None
Chapter 4 Solutions
EP ENGR.MECH.-MOD.MASTERING ACCESS
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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- Determine the moment of the force F=40i8j+5kN about the y-axis.arrow_forwardDetermine the magnitude of the moment of the 150-N force about point O. Also find the perpendicular distance between the line of action of the force and point O (as in M = Fd).arrow_forwardThe forces P and Q act on the handles of the wrench. If P = 321b and Q = 36 lb, determine the combined moment of the two forces about the z-axis.arrow_forward
- The small crane is mounted along the side of a pickup bed and facilitates the handling of heavy loads. When the boom elevation angle is q = 40°, the force in the hydraulic cylinder BC is 7 kN, and this force applied at point C is in the direction from B to C (the cylinder is in compression). Determine the moment of this 7 kN force about pivot point O assuming counterclockwise is positive. Express your answer in units of N-m. A 110 mm 785 mm C - 0 B 340 mm 360 mmarrow_forwardThe 4.0-Ib force is applied at point A of the crank assembly. Determine the moment of this force about point O.arrow_forwardThe crank OA is shown. If OA = 68 mm, 0 = 20°, and 3 = 20°, determine the moment of the force F of magnitude F= 22 N about point O. The moment is positive if counterclockwise, negative if clockwise. Answer: Mo= M. F B N.marrow_forward
- Find the moment about point A resulting from the force of the knee on the helmet, as shown. Also, find the force F at the base of the neck needed to resist this moment.arrow_forwardShow the solution.arrow_forwardThrought Scalar analysis where F is the scalar component. Determine the Vector momnent fromed by the Force F on the Point of O determine the magnitude of the momentarrow_forward
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