The 3.8-KN force F is applied at point A. (a) Compute the moment of F about point O, expressing it both as a scalar (positive if CCW, negative if CW) and as a vector quantity. (b) Determine the coordinates of the points on the x- and y-axes about which the moment of F is zero. Assume XA = 1.5 m, YA = 1.9 m, a = 7, b=9.
The 3.8-KN force F is applied at point A. (a) Compute the moment of F about point O, expressing it both as a scalar (positive if CCW, negative if CW) and as a vector quantity. (b) Determine the coordinates of the points on the x- and y-axes about which the moment of F is zero. Assume XA = 1.5 m, YA = 1.9 m, a = 7, b=9.
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Transcribed Image Text:The 3.8-kN force F is applied at point A.
(a) Compute the moment of F about point O, expressing it both as a scalar (positive if CCW, negative if CW) and as a vector
quantity.
(b) Determine the coordinates of the points on the x- and y-axes about which the moment of F is zero.
Assume XA = 1.5 m, yA = 1.9 m, a = 7,b= 9.
y, m
1
1
b
a
A (x₂, y₁)
-x, m
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