-A Light Triangular Plate OAB Is in a Horizontal Plane

question 27

Multiple Choice

-A light triangular plate OAB is in a horizontal plane.Three forces,F₁ = 2 N,F₂ = 4 N,and F₃ = 7 N,act on the plate,which is pivoted about a vertical axis through point O.In the figure,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)2.2 N ∙ m
• B)2.6 N ∙ m
• C)-2.2 N ∙ m
• D)-2.6 N ∙ m
• E)zero

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Definitions:

1,2-Epoxy-1-Methylcyclopentane

1,2-Epoxy-1-Methylcyclopentane is an epoxy compound featuring a cyclopentane ring with a methyl group substitution and an epoxide functional group.

Trans-1,2-Cyclopentanediol

A compound featuring a cyclopentane ring with hydroxyl groups at the 1 and 2 positions on opposite sides, denoting its trans configuration.

Cyclopentene

A cyclic alkene with a five-membered ring, used in the synthesis of more complex organic compounds.

Positively Correlated

A relationship between two variables where both either increase or decrease together.