Torque: a Light Triangular Plate OAB Is in a Horizontal

question 48

Multiple Choice

Torque: A light triangular plate OAB is in a horizontal plane. Three forces, and act on the plate, which is pivoted about a vertical axes through point O. In the figure, 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) 4.1 N ∙ m.
• B) 5.4 N ∙ m.
• C) -4.1 N ∙ m.
• D) -5.4 N ∙ m.
• E) zero

Understand different contraceptive techniques and their suitability for couples.

Grasp the operational details and usage requirements of various contraceptive methods.

Recognize the importance of and differences between abstinence and celibacy in family planning.

Understand how oral contraceptives mimic pregnancy to prevent conception.

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