25. A light triangular plate OAB is in a horizontal plane. Three forces, F1-5.0 N, F2= 8.0 N, and F3= 6.0 N act on the plate, which is pivoted about a vertical axis through point O. In the figure, F2 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 force's F1, F2, and F3, is: 0.60 m 45% 30° F₁ 1.00 m 0.80 m B F₁ = 5.0N F₂ = 8.0N F3 = 6-ON ₁=0-60m 2=0.80m T₁ = -r, F, Cos (30°) t₁ = -(0-60) (5) (05 (30²) = -2.60 Nm t₂ = √₂ F₂ Sin 900 T₂ = (0.80) (8) (1) = 6.4 Nm T3 = 3 F3 Sin (00) = 0NM

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.