why do porter's place the load they have to carry , on a roll of cloth rather than directly on their head ?
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porters place the load they have to carry on a roll of cloth to increase the area of contact.
pressure is inversely proportional to area of contact.
thereby increasing area of contact means reducing pressure on their head...
pressure is inversely proportional to area of contact.
thereby increasing area of contact means reducing pressure on their head...
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