(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 -0.8 m, yA - 1.4 m, a -5, b = 8. y, m A (x, y) L a F b Answers: (a) Scalar: Vector: j+ i k) kN On the x axis: On the y axis: (b) -x, m Mo= i 7.512 Mo-i -3.731 X= y = i m kN-m i+ i m -2.332 7.512

(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 -0.8 m, yA - 1.4 m, a -5, b = 8. y, m A (x, y) L a F b Answers: (a) Scalar: Vector: j+ i k) kN On the x axis: On the y axis: (b) -x, m Mo= i 7.512 Mo-i -3.731 X= y = i m kN-m i+ i m -2.332 7.512

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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