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Being inextensible the cable has ___________ length.

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in Engineering Mechanics by (701k points)
Being inextensible the cable has ___________ length.

(a) Infinite

(b) Zero

(c) Average to zero

(d) Constant

I have been asked this question in an international level competition.

The origin of the question is Cables topic in section Internal Forces of Engineering Mechanics

1 Answer

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Best answer
Right choice is (d) Constant

Easy explanation: The assumption that the cables are inextensible the main fact that comes out is that the cable length is constant throughout. Thus in the calculations also the fact that the length is constant makes a huge time saving tool. Thus the length of the cables are to be assumed constant if the assumption is taken as they are inextensible.

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