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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
2/143 A 1.8-lb vertical force is applied to the knob of the window-opener mechanism when the crank BC is horizontal. Determine the moment of the force about point A and about line AB.
Â
60°
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Problem 2/144
2/145 The 180-lb force is applied at point A of the bracket. Determine the moments of this force about point B, about point C, and about the line BC.
Â
Â
Â
Â
Â

1.8 lb
Â
z y D C
Â
Â
B
13²
6² y
C
x
z
180 lb
Â
Â
A B 30°
x
15²
Â
Â
45°
Â
Â
Â
Â
Â
12²
Â
Â
60°
A
Problem 2/143
Problem 2/145
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