Your class teacher gave you a project to make a beam balance, for one side she asked you to use nylon threads and for the other side steel threads of the same diameter of cross-section. And then she asked you to start placing weights on both of them, so which thread would survive till the end according to you observation?

Nylon

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Steel

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Both will break at the same point.

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None will break.

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Solution

The correct option is A Nylon
Nylon will survive till the end because it is very strong and elastic, stronger than a steel wire of the same diameter. So you will see that at one point the steel thread will break but nylon thread will be intact. Hence it is stronger. Nylon is used in making parachutes also for this very reason.

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