calculate the tension in cable and reaction forces at pin
The net torque about point c is zero
torque T = F * perpendicular distance
or T = r * F * sin(theta)
the net torque about point c is
-(TAB * sin(25) * 4L) + (3200*3L) + (900*2L) = 0
TAB = 6743.67 lb
2)
The horizontal component of tension is
cx = TAB * cos(25)
cx = 6111.84 lb
3)
the vertical component of tension is
Ty = TAB * sin(25)
Ty = 2850 lb
the vertical reaction force at c is
cy = 3200 + 900 - Ty
cy = 4100 - 2850
cy = 1250 lb
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