Question

why is it difficult to hold a school bag having a strap made of a thin and strong string​

Answer 1

It is difficult to hold a school bag having a thin strap because the pressure on the shoulders is quite large. ... In the case of a thin strap, the contact surface area is very small. Hence, the pressure exerted on the shoulder is very large.

Answer 2

Answer:

It is difficult to hold a school bag having a thin strap because the pressure on the shoulders is quite large.......In the case of a thin strap, the contact surface area is very small . Hence,the pressure exerted on the shoulder is very large.

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