Why do school bags have broad shoulder straps? - Vidyadip

Question

Why do school bags have broad shoulder straps?

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Answer

The pressure produced by a given force depends on the area of the surface on which the force acts. The greater the surface area, the less is the pressure produced. School bags have broad shoulder straps so that the weight of the bag is distributed over a large surface area thereby decreasing the pressure on the shoulders of the student carrying the bag.

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