x N 1200 lb 800 lb A PAB 3 ft PAC- PAD 1.0 ft 4 ft D 2.5 ft 2.5 ft

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.12P: A differential equation encountered in the vibration of beams is d4ydx4=2D where x = distance...
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The component of the resultant of the concurrent force system shown is zero in the y-axis and 100 lb acting towards the positive x-axis. Follow the given coordinate system as the positive directions. If PAB = 350 lb, calculate the following:
[1] If A is set to be the origin, find the coordinates of D (answer: (2.5, 4.0, -3.0)) and calculate the force in AD, include the sign (answer: 573.61).
[2] Calculate the force in AC, include the sign (answer: 155.54) and calculate the z-component of the resultant, include the sign (answer: -1765.22)

x
N
1200 lb
800 lb A
PAB
3 ft
PAC-
PAD
1.0 ft
4 ft
D
2.5 ft
2.5 ft
Transcribed Image Text:x N 1200 lb 800 lb A PAB 3 ft PAC- PAD 1.0 ft 4 ft D 2.5 ft 2.5 ft
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