Question

Why school bags are provided with broad straps and not with thin straps?

Answer 1

as they are broad they cover more area.
now,area is inversly proportional to area i.e more the area lesser the pressure
therefore pressure on our shoulder decreases.
hence we use broad straps for school bags
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Answer 2

Answer:

Ans Shoulder bags are provided with broad straps so as to increase the surface area on which the force is acting. By doing so, the pressure decreases. As P = FORCE / AREA If the bags were provided with thin straps, the pressure would have increased causing pain in shoulders.

Explanation:

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