Question

1.
Luggage porters place a round piece of
cloth on their head when they have to
carry heavy loads. By doing this, the
area of contact between the load and
head:
A) Decreases and reduces the pressure.
B) Increases and reduces the pressure.
C) Decreases and increases the pressure.
D) Increases as well as increases the
pressure​

Answer 1

Answer:

• porters place a round piece of cloth on their head when they carry heavy lods as the round piece of cloth increases the area on which the load is placed. We know that when surface is more than pressure is less. As a result, the pressure on their heads get reduced