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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
21–33.  The 20-kg sphere rotates about the axle with a
constant angular velocity of vs = 60 rad>s. If shaft AB is subjected to a torque of M = 50 N # m, causing it to  rotate,
determine the value of vp after the shaft has turned 90° from the position shown. Initially, vp = 0. Neglect the mass of arm CDE.
Â
Â
Â
Â
z
z
Â
Â
Â
Â
Â
Â
3 ft
1 ft
Â
B
Â
Â
2 rad/s
Â
Â
1 ft
Â
D
Â
1.3 m
1.4 m
Â
Â
E
Â
vs = 60 rad/s
Â
Â
AÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â CÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â y
CÂ Â Â Â Â Â Â Â Â Â Â Â Â Â BÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 0.1 m
vp
Â
x         A  M = 50 N·m
Â
x                                                                                                                                                                                        y
Â
Â
Prob. 21–31
Prob. 21–33
Â
Â
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