Mechanics question 1: Figure 1.1 shows a rod, AB, 1 m long, and with weight W, which is held in equilibrium by a vertical wall, the horizontal floor and by a cable CB (see figure 1.1 for details). (a) Assume there is no friction, derive all the external forces acting on the rod. (b) Assume there is friction at the wall and at the floor, with coefficient of static friction, μs=0.3, and assume that the rod is under impending motion conditions, derive all the external forces acting on the rod. W= 855 N 150 30⁰

Elements Of Electromagnetics
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please answer this question with explination. many thanks !

Mechanics question 1: Figure 1.1 shows a rod, AB, 1 m long, and with weight W, which is held in
equilibrium by a vertical wall, the horizontal floor and by a cable CB (see figure 1.1 for details).
(a) Assume there is no friction, derive all the external forces acting on the rod.
(b) Assume there is friction at the wall and at the floor, with coefficient of static friction, us=0.3,
and assume that the rod is under impending motion conditions, derive all the external forces acting
on the rod.
W= 855 N
30⁰
Transcribed Image Text:Mechanics question 1: Figure 1.1 shows a rod, AB, 1 m long, and with weight W, which is held in equilibrium by a vertical wall, the horizontal floor and by a cable CB (see figure 1.1 for details). (a) Assume there is no friction, derive all the external forces acting on the rod. (b) Assume there is friction at the wall and at the floor, with coefficient of static friction, us=0.3, and assume that the rod is under impending motion conditions, derive all the external forces acting on the rod. W= 855 N 30⁰
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for q1) B at the point : frictional force at A is...the frictional force in the vertical direction wasnt included.  is this correct?  should it not be Rb+Tsin30-W+Fa? 

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