At railway station,a coolie while lifting heavy load,puts a roll of cloth on his head
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Explanation:
why he puts a roll of cloth on his hand
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In order to increase the contact area of force
Explanation:
Coolies very often uses a roll of cloth and they put it on their head before lifting any load. It is done in order to increase the contact area of force. This means that the force of friction increases. Higher friction enables them to hold the load without falling or sliding down. This is how they manage to carry heavy amount of load on their heads.
#Learn more with brainly about:
Reasons for using a piece of cloth by the coolie https://brainly.in/question/3887984
Frictional force https://brainly.in/question/7506853
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