4. The 10-kg rod AB is pin-connected at A and subjected to a couple moment of M = 15 Nm. If the rod is released from rest when the spring is unstretched at 8 = 30°, determine the angular velocity of the rod at the instant 8 = 60°. Thanks to the roller support at C, the spring always remains horizontal when the rod rotates.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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4. The 10-kg rod AB is pin-connected at A and subjected to a couple
moment of M = 15 Nm. If the rod is released from rest when the spring is
unstretched at 8 = 30°, determine the angular velocity of the rod at the
instant 0 = 60°. Thanks to the roller support at C, the spring always
remains horizontal when the rod rotates.
A
O
k= 40 N/m
M=15 N·m
0.75 m
Transcribed Image Text:4. The 10-kg rod AB is pin-connected at A and subjected to a couple moment of M = 15 Nm. If the rod is released from rest when the spring is unstretched at 8 = 30°, determine the angular velocity of the rod at the instant 0 = 60°. Thanks to the roller support at C, the spring always remains horizontal when the rod rotates. A O k= 40 N/m M=15 N·m 0.75 m
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