Determine the moment of the couple about the z-axis

Reference no: EM131310703

The arm ABCD of the industrial robot lies in a vertical plane that is inclined at 40? to the yz-plane. The arm CD makes an angle of 30? with the vertical. A socket wrench attached at point D applies a 52-lb · ft couple about the arm CD, directed as shown.

(a) Find the couple-vector that represents the given couple.

(b) Determine the moment of the couple about the z-axis.

Reference no: EM131310703

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