Why Porter place a round piece of cloth on their head,when they carry

1.	Why Porter place a round piece of cloth on their head,when they carry heavy loads
Answer» ing the thick round piece of CLOTH on their HEAD, the porter increases the area of CONTACT of load with their head. Now the force of load falls on the larger area due to which the PRESSURE on the head decreases and it becomes easier for a porter to carry the heavy load.

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