Answered: Practice Problem 2.4.12: The trap door…

Practice Problem 2.4.12: The trap door is held open by the rope AB. If the tension in the rope is T = 40 lb, determine its moment about the y-axis. 3 ft 4 ft 4 ft

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter2: Basic Operations With Force Systems

Section: Chapter Questions

Problem 2.57P: The forces P and Q act on the handles of the wrench. If P = 321b and Q = 36 lb, determine the...

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Practice problem 2.4.12

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The 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.
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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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