Q2. The net torque about the hinge should be zero, determine the tension in the
ID: 2256982 • Letter: Q
Question
Q2. The net torque about the hinge should be zero, determine the tension in the wire.
Q3. What are the horizontsl and vertical components of the forces due to the hinge on the bar?
In the figure, the bar is G w long and has a mass of 100 kg. The wire is at an angle of 18.4 degree to the horizontal. Draw the free-body diagram for the bar and identify all the forces acting on the bar. Since the net torque about the hinge should be zero, determine the tension in the wire. What are the horizontal and vertical components of the forces due to the hinge on the bar ?Explanation / Answer
2) torque = 3*100*9.81 - 6*T*sin(18.4) = 0
T=1554 N
3) sum forces in the y
y + 1554*sin(18.4) - 100*9.81=0
y=490.5 N
sum forces in the x
x - 1554*cos(18.4) = 0
x=1475 N
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