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  3. 3 refer to the shaftandbracket assembly in figure 3 a...

Question: 3 refer to the shaftandbracket assembly in figure 3 a...

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600 N 30 80 mm 160 mm 45° Figure 3 800 N

3. Refer to the shaft-and-bracket assembly in Figure 3.

(a) Determine the force and the couple-moment at O that together form a force-couple system at O that is statically equivalent to the two forces applied as shown. (The 800-N force is directed 45 degrees below the horizontal plane; and the 600-N force is directed 30 degrees above the horizontal plane.) Report your answers in Cartesian form.

(b) Determine the magnitude of the shear force in the shaft at point O.

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