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°

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°

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.73P: The cable of mass 1.8 kg/m is attached to a rigid support at A and passes over a smooth pulley at B....

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

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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