Question

Q.1 Why do porters place a round piece of cloth on their heads when they carry heavy loads ?
Q2.Explain why wooden sleepers are kept below the railway line.
Q3 Why is it easier for camels to run in desert?
Q4.Two cubical blocks of the same dimensions, one of wood and the other made of iron, are kept
on sand. Which one will exert greater pressure and why?

Answer 1

porters place round piece of cloth on their heads because it increase the area of contact from their head and by doing this the weight of the heavy luggage is less