FR-5.02 kN Replace the force and couple system by an equivalent force and couple

Question

FR-5.02 kN Replace the force and couple system by an equivalent force and couple moment at point O. Take F -7 kN and F2 2 kN Figure 1) VCorrect Part B Determine the angle between the resultant force and the axis Express your answer to three significant figures. 0- 70.3 counted counterclockwise from positive z axis Previous Answers Correct Figure 1 of 1 Part C 3 m 8 kN m Determine the magnitude of the resultant moment about point O Express your answer to three significant figures and include the appropriate units. 3 m 4 m Mo 30.623 kN m Submit

Explanation / Answer

Moment due to two forces = F1*12/13 *4 - F1*5/13*5 +F2*cos 60 degree *4

= 7*12/13 *4 - 7*5/13*5 + 2*cos 60 degree *4

= 16.38 kNm

Net moment at 0 = 16.38 - 8 = 8.38 kNm answer

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