Q.5) A steel bar OC with attached spring at B and cable at C can rotate freely in a horizontal plane about support at O as shown below. The spring is upstretched when C is coincident with A. Determine the tension T required to hold the steel bar OC in the 40° position shown as a function of k and L. Neglect the weight of the bar OC and the diameter of the pulley at D. 40° L/2 www B m T L/2 25°

Elements Of Electromagnetics
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Q.5) A steel bar OC with attached spring at B and cable at C can rotate freely in a
horizontal plane about support at O as shown below. The spring is
upstretched when C is coincident with A. Determine the tension T required to
hold the steel bar OC in the 40° position shown as a function of k and L.
Neglect the weight of the bar OC and the diameter of the pulley at D.
40°
L/2
B
m
T
L/2
25°
Transcribed Image Text:Q.5) A steel bar OC with attached spring at B and cable at C can rotate freely in a horizontal plane about support at O as shown below. The spring is upstretched when C is coincident with A. Determine the tension T required to hold the steel bar OC in the 40° position shown as a function of k and L. Neglect the weight of the bar OC and the diameter of the pulley at D. 40° L/2 B m T L/2 25°
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