why it is comfortable to lift a school bag with both strap than a thin straps?
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Answer:
having two fat straps in bags increases the surface area in which the weight of the bag is spread , making it easier to carry with two fat straps than thin strap(s)
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Explanation:
when we lift school bag with thin straps then the pressure being put on our shoulders increases and leads to pain in shoulders as the area of the straps is narrow (thin) but when we use both straps with a broader size (wider) then the pressure acting on that area gets more distributed and as a result we feel more comfortable.
and its becomes less painful for our shoulders to carry the weight of bag.
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