Bar AB of Fig. with weight W and length L has a uniform cross section. Rotation of the bar is resisted by a torsional spring with spring constant 4. The spring is neutral when 0- 0°. Determine The minimum stiffness & for the spring, in terms of W and L, if the bar is to be in stable equilibrium when 0 = 0°.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter10: Virtual Work And Potential Energy
Section: Chapter Questions
Problem 10.59P: The weight of the uniform bar AB is W. The stiffness of the ideal spring attached to B is k, and the...
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Bar AB of Fig.
with weight W and length L
has a uniform cross section. Rotation of the bar is resisted
by a torsional spring with spring constant 4. The spring is
neutral when 0- 0°. Determine
The minimum stiffness & for the spring, in terms of W
and L, if the bar is to be in stable equilibrium when
0 = 0°.
Transcribed Image Text:Bar AB of Fig. with weight W and length L has a uniform cross section. Rotation of the bar is resisted by a torsional spring with spring constant 4. The spring is neutral when 0- 0°. Determine The minimum stiffness & for the spring, in terms of W and L, if the bar is to be in stable equilibrium when 0 = 0°.
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