Question

Why should bags provide with broad strap

Answer 1

Explanation:

As you know,

              P = $\frac{Force }{Area}$

Where,   P  $\alpha$  A            (directly proportional)

   As pressure is inversly proportional to the area then,

 If Area is decreased then pressure will be increased.

  and, if Area will be increased then pressure will be decreased.

Hence Broader straps of school bags are provided to decrease the pressure on the shoulders of students.

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