Question

Explain with an activity to show the tensile strength of the fibres ?
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Answer 1

Answer:

Add weight one by one till the thread breaks. Note down the total weight required to break the thread. This weight indicates the strength of the fibre. Repeat the same activity with threads of wool, silk and nylon.

Answer 2

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Take an iron stand with a clamp and a cotton thread of about 65 cm length. ... Note down the total weight required to break the thread. This weight indicates the strength of the fibre. Repeat the same activity with threads of wool, silk and nylon.