Exercise 30:A uniform and homogenous rod (R) of length L=100cm and massm=lkg is free to rotate about a fixed axis passing through itsextremity O. The rod is held in equilibrium by connecting its otherextremity A to a point B in a vertical wall by means of a light in-extensible string that makes an angle 0 = 60° with respect to the wall.A block (S) of mass M=lkg is connected to the rod at its extremity Aby means of a light in-extensible string.Take g=10m/s.1. Name and represent all the forces acting on the rod.2. Determine T the magnitude of the tension force T in the string AB.3. Determine the magnitude of the reaction force R exerted by thewall on (R).30120°(R)(S)

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Exercise 30: A uniform and homogenous rod (R) of length L=100cm and mass m=lkg is free to rotate about a fixed axis passing through its extremity O. The rod is held in equilibrium by connecting its other extremity A to a point B in a vertical wall by means of a light in- extensible string that makes an angle 0 = 60° with respect to the wall. A block (S) of mass M=1kg is connected to the rod at its extremity A by means of a light in-extensible string. Take g=10m/s. 1. Name and represent all the forces acting on the rod. 2. Determine T the magnitude of the tension force T in the string AB. 3. Determine the magnitude of the reaction force Rexerted by the wall on (R). 30 120° (S)

Exercise 30: A uniform and homogenous rod (R) of length L=100cm and mass m=lkg is free to rotate about a fixed axis passing through its extremity O. The rod is held in equilibrium by connecting its other extremity A to a point B in a vertical wall by means of a light in- extensible string that makes an angle 0 = 60° with respect to the wall. A block (S) of mass M=1kg is connected to the rod at its extremity A by means of a light in-extensible string. Take g=10m/s. 1. Name and represent all the forces acting on the rod. 2. Determine T the magnitude of the tension force T in the string AB. 3. Determine the magnitude of the reaction force Rexerted by the wall on (R). 30 120° (S)

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 10.53P: Find the equilibrium positions of the 30-lb homogeneous bar and investigate their stability.

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