Bar AB has a weight of 10 lb and is fixed to the carriage at A. Determine the internal axial force Ay, shear force V, and moment MA at A if the carriage is descending the plane

1. 

17-02

Bar AB has a weight of 10 lb and is fixed to the carriage at A. Determine the internal axial force Ay, shear force Vx_over2, and moment MA at A if the carriage is descending the plane with an acceleration of 4 ft/s2.
[A]. Ay = 8.92 lb 8, Vx = 0.621 lb 7, MA = 0
[B]. Ay = 9.38 lb 8, Vx = 1.076 lb 7, MA = 1.076 lb-ft ccw
[C]. Ay = 8.92 lb 8, Vx = 0.621 lb 7, MA = 0.621 lb-ft ccw
[D]. Ay = 9.38 lb 8, Vx = 1.076 lb 7, MA = 0

Answer: Option B

Explanation:

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