Why school bag has wide strap made of this ocean
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They have wide straps to reduce the pressure that is applied on the shoulders. The load remains the same but the area increases and since pressure = force/area. The greater the area, the lesser the pressure and the strain of carrying the bag.
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Answer:
Explanation:A school bag has wide straps made of thick cloth (canvas) so that the weight of bag may fall over a large area of the shoulder of the child producing less pressure on the shoulder. And due to less pressure, it is more comfortable to carry the heavy school bag.
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