Why does a porter carrying a heavy load place a round piece of cloth on his head?

Why does a porter carrying a heavy load place a round piece of cloth on his head?

Ans: –  As the round piece of cloth increases the area of contact between load and head of porter which helps in decreasing the pressure on his head.

Why a nail has a pointed tip?

Ans: – For the increases of the pressure a nail has a pointed tip.

Why shoulder bags are provided with broad straps?

Ans: – For the decreasing of pressure bags are provided with board straps.

State the SI unit of pressure.

Ans: – The SI unite of pressure is N/m^2 or in other words Pascal.

• Follow on Facebook page – Click Here
• Google News join in – Click Here