The small crane is mounted along the side of a pickup bed and facilitates thehandling of heavy loads. When the boom elevation angle is q = 40°, the forcein the hydraulic cylinder BC is 7 kN, and this force applied at point C is in thedirection from B to C (the cylinder is in compression). Determine the momentof this 7 kN force about pivot point O assuming counterclockwise is positive.Express your answer in units of N-m.A110mm785mmC-0B340mm360mm

The force in BC member is The angle is

Answered: The small crane is mounted along the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Replace the force system acting on the post by a resultant force and couple moment at point O. 300 lb 30° 150 lb 2 ft Question 5 2 ft 200 lb 2 ft
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Replace the force system acting on the post by a resultant force and couple moment at point O. 150 lb 3 5 O 300 lb 30° 2 ft 2 ft 2 ft 200 lb
Calculate the moment of the 90-N force about point o for the condition 30°,from the following Answers which of them is correct : 0 800 mm F = 90 N 600 mm
For F= 70 lb, compute the combined moment of the two forces about (a) point O, (b) point C, (c) point D. The moments are positive if counterclockwise, negative if clockwise. F y, ft 23 A (-8,14) D (16,0) -- x, ft B (16,-8) C (-10,-15) 23l F Answer: (a) Mo = i Ib-ft (b) Mc= i Ib-ft (c) Mp = i Ib-ft
The horizontal force F = -Fi acting on the handle of the wrench produces a component of the moment along the OA axis (z axis) of the pipe assembly of M, = {4.4 k}N•m. Both the wrench and the pipe assembly, OABC, lie in the y-z plane. Suggestion: Use a scalar analysis. y-z (Figure 1) Part A Determine the magnitude of the force F. Express your answer to three significant figures and include the appropriate units. HA F = Value Units Figure < 1 of 1 Submit Request Answer Provide Feedback 0.8 m 0.2 m 135 0.6 m
The port hull of a catamaran (top view shown) has cleats at points A, B, and C. A rope having 100N force is to be attached to one of these cleats. If the force is to produce the largest possible counterclockwise moment about point O, determine the cleat to which the rope should be attached and the direction the rope should be pulled (measured positive counterclockwise from the positive x direction). Also, determine the value of MO produced. Assume all cleats, point O, and the rope lie in the same plane.
Using the principles to be developed in Chapter 3 on equilibrium, one can determine that the tension in cable AB is 289.8 N. Determine the moment about the x-axis of this tension force acting on point A. Compare your result with the moment of the weight W of the 25- kg uniform plate about the x-axis. What is the moment of the tension force acting at A about the line OB? 0.38 m Mx = Answers: 0.57 m i -74.047 (Mx)w= MOB -63.853 0 A 0.51 m W 25 kg 23⁰ 0.92 m N-m N-m N•m
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A man exerts a force F on the handle of the stationary wheelbarrow at A. The weight of the wheelbarrow along with its load of dirt is 200 lb with center of gravity at G. For the configuration shown, what force F must the man apply at A to make the net moment about the tire contact point B equal zero? Express your answer in units of lb. 60° 26" F ***** A 20° 37" W G 8"- B
Calculate the moment Mg of the 895-N force about the bolt at B. Simplify your work by first replacing the force by its equivalent force- couple system at A. The moment is positive if counterclockwise, negative if clockwise. Assume F = 895 N, r= 155 mm, h = 490 mm, 0 = 30% = 38° OC Answer: Mg = i 0 h N-m
Determine the moment in N-m of the force F = {353i+-285j+166k} N about the OA axis(This problem is not asking for magnitude, could be a negative amount depending on how it is acting) .(in N.m) 0.3 m 0.4 m 0.2 m B

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