Question

hiiii solve Q.no 3.....

Answer 1

Hello!!✌

1. Because snow shoes are having large contact surface area due to which it is very easy to walk on snow

2. Because the contact surface area of

their head increases after placing a

piece of cloth.So,he can comfortably

carry heavy load

3.A sharp knife has small surface area

that can exerts more pressure than

the blunt knife.So,it is very easy to

cut with sharp knife.

4.Due to large surface area of straps

pressure exerted will be less on the

shoulder.So,it is easy to carry

5.Because a finger has a large area

than needle.So,it's easy to burst

inflated balloon with a needle.

6. At high altitudes air pressure

decreases,so breathing may become

difficult and nose bleeding may occu

7. At higher altitudes air pressure

decreses for this reason aircrafts

have pressurised to a value that

safeguards the passenger and crew

Hope this helps

@adiba31❤☺