Question

write an activity which shows the strength of different kind of fider​

Answer 1

Answer:

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Answer 2

Answer:

Synthetic fibres are stronger because they are made by plastics and other materials.Nylon is an example of synthetic fibre which is used for making parachutes and ropes for rock climbing.Activity -

Activity -Take threads of cotton and nylon(synthetic fibres) of about same length and thickness.. Hang cotton, thread from a stand. Attach a pan at the other end of the thread.Add weights, one by one, to the pan until the thread breaks (see fig.) note the total weight required to break the cotton thread. This gives a measure of the tensile strength of the thread. Repeat the same with nylon thread.

CONCLUSION

Much more weight is required to break the nylon thread showing that nylon thread has a grater strength that the cotton thread.