Two identical uniform bars are welded together at a right angle and are pivoted about a horizontal axis through point O as shown. Determine the critical driving frequency wc of the block B which will result in excessively large oscillations of the assembly. The mass of the welded assembly is m = 27 kg, the length I is 525 mm, and the spring constant k is 616 N/m. /2 1/2 B Xg = b sin ot Answer: Wc = i rad/s

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Two identical uniform bars are welded together at a right angle and are pivoted about a horizontal axis through point O as shown.
Determine the critical driving frequency wc of the block B which will result in excessively large oscillations of the assembly. The mass
of the welded assembly is m = 27 kg, the length lis 525 mm, and the spring constant k is 616 N/m.
/2
L/2
B
Xp = b sin wt
Answer: Wc =
i
rad/s
ww.
Transcribed Image Text:Two identical uniform bars are welded together at a right angle and are pivoted about a horizontal axis through point O as shown. Determine the critical driving frequency wc of the block B which will result in excessively large oscillations of the assembly. The mass of the welded assembly is m = 27 kg, the length lis 525 mm, and the spring constant k is 616 N/m. /2 L/2 B Xp = b sin wt Answer: Wc = i rad/s ww.
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