A set of forces acts on the assembly as shown. Note that the 120-N force is along the z-axis. 1.5 m A y 0.8 m 120 N X B 250 N 1. Which of the following statements is true regarding the assembly shown? None of the other statements is true. The moment of the 120-N force about the point A of the assembly is zero. N-m) of the forces ab The moment of the 120-N force about the x-axis is zero. The 250-N force does not produce moment about the y axis.

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The 23-N force Pis applied perpendicular to the portion BC of the bent bar. Determine the moment of P about point B and about point A. Moments are positive if counterclockwise, negative if clockwise. P = 23 N 2.0 m 49 B 2.0 m A Answers: MB = i N-m MA = N-m

80 mm, A E -170 mm B D C 125 mm 75 mm Problem 06.085.a - Frame with 2-force member Determine the components of the reactions at A and E if a 930-N force directed vertically downward is applied at B. The components of the reaction at A are: Ax = lb- Ay = lb t The components of the reaction at E are: E₁= lb→