Problem 3.9 Consider the L-shaped beam illustrated in Fig. 3.37. The beam is mounted to the wall at point A, the arm AB extends in the z direction, and the arm BC extends in the x direction. A force F is applied in the z direction at the free-end of the beam. (a) If the lengths of ams AB and BC are a and b,respectively, and the magnitude of the applied force is F, observe that the position vector of point C relative to point A can be written as r= bi+ ak and the force vector can be expressed as F = Fk, where ij, and k are unit vectors indicating positive x, y, and z directions, respectively.
Problem 3.9 Consider the L-shaped beam illustrated in Fig. 3.37. The beam is mounted to the wall at point A, the arm AB extends in the z direction, and the arm BC extends in the x direction. A force F is applied in the z direction at the free-end of the beam. (a) If the lengths of ams AB and BC are a and b,respectively, and the magnitude of the applied force is F, observe that the position vector of point C relative to point A can be written as r= bi+ ak and the force vector can be expressed as F = Fk, where ij, and k are unit vectors indicating positive x, y, and z directions, respectively.
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter9: Moments And Products Of Inertia Of Areas
Section: Chapter Questions
Problem 9.16P: Figure (a) shows the cross-sectional dimensions for the structural steel section known as C1020...
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