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A couple moment is developed when _______ of the attached member is prevented.

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A couple moment is developed when _______ of the attached member is prevented.

(a) Translation

(b) Rotation

(c) Addition

(d) Subtraction

This question was posed to me during an online exam.

My question is based upon Equilibrium in Three Dimensions in chapter Equilibrium of a Rigid Body of Engineering Mechanics

1 Answer

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Right choice is (b) Rotation

To explain: The development of the couple moment is when there is a prevention of the rotation of the attached member. This is the basic condition for the equilibrium of the couple moments in any dimension. This rule is applied when the couple moments are taken into the account for the equilibrium of the body.

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