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.
Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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is one of the fundamental
ering. A cantilever beam is
other. In Fig. 3.35, the fixed Fig, 3.37. The beam is mounted to the wall at point A, the
dentified as points A and C,
ds to the center of gravity of
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Problem 3.9 Consider the L-shaped beam illustrated in
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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
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the free-end of the beam.
en has a weight W = 100 N (a) If the lengths of ams AB and BC are a and b, respectively,
vith magnitude F = 150 N is
cam in a direction that makes
zontal.
d direction of the net moment
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 i,j, and k are unit vectors
indicating positive x, y, and z directions, respectively.
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Fig, 3,37 Problem 3.9
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