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A Light Triangular Plate OAB Is in a Horizontal Plane

Question 1122

Multiple Choice

A light triangular plate OAB is in a horizontal plane.Three forces,F1 = 6.0 N,F2 = 9.0 N,and
F3 = 7.0 N,act on the plate,which is pivoted about a vertical axes through point O.In the figure, A light triangular plate OAB is in a horizontal plane.Three forces,F<sub>1</sub> = 6.0 N,F<sub>2</sub> = 9.0 N,and F<sub>3</sub> = 7.0 N,act on the plate,which is pivoted about a vertical axes through point O.In the figure, <sub>2</sub> is perpendicular to OB.Consider the counterclockwise sense as positive.The sum of the torques about the vertical axis through point O,acting on the plate due to forces F<sub>1</sub>,F<sub>2</sub>,and F<sub>3</sub>,is closest to A) 4.1 N • m B) 5.4 N • m C) -4.1 N • m D) -5.4 N • m E) zero
2 is perpendicular to OB.Consider the counterclockwise sense as positive.The sum of the torques about the vertical axis through point O,acting on the plate due to forces F1,F2,and F3,is closest to A light triangular plate OAB is in a horizontal plane.Three forces,F<sub>1</sub> = 6.0 N,F<sub>2</sub> = 9.0 N,and F<sub>3</sub> = 7.0 N,act on the plate,which is pivoted about a vertical axes through point O.In the figure, <sub>2</sub> is perpendicular to OB.Consider the counterclockwise sense as positive.The sum of the torques about the vertical axis through point O,acting on the plate due to forces F<sub>1</sub>,F<sub>2</sub>,and F<sub>3</sub>,is closest to A) 4.1 N • m B) 5.4 N • m C) -4.1 N • m D) -5.4 N • m E) zero


A) 4.1 N • m
B) 5.4 N • m
C) -4.1 N • m
D) -5.4 N • m
E) zero

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