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The couple and the other two force systems can be easily simplified.

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The couple and the other two force systems can be easily simplified.

(a) Statement is wrong

(b) Statement is right

(c) Statement is right if we remove the ‘couple’ part

(d) Statement is right if we remove the ‘force’ part

This question was posed to me in my homework.

The doubt is from Simplification of a Force and Couple System topic in section Force System Resultants of Engineering Mechanics

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The correct option is (b) Statement is right

Explanation: Both of them are vector quantities. And both of them can be easily simplified. If taken in the vector form then the task is even easier. Thus it is not necessary for the force or the couple to be vector only, even if the magnitude is taken, the simplification is done in the 2D.

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