it sink or come to the surface of water.
Why do the load carrying heavy
vehicles have large number of wheels?
How much pressure do we carry on
our heads? Why don't we feel it?
hy does it happen?
A ship dips to a larger depth in fresh
water as compared to marine water.
Fruits can easily be cut with a sharp
nife
Answers
Answer:
- Why do load carrying .......
As area increases pressure decreases so, load carrying.......
- How much pressure......
Sorry i didn't know the answer
- Why don't....
Because pressure inside our body is equal to the atmospheric pressure.
- A ship.....
Because density of marine water is high as compared to fresh water as it is salty
- fruits....
For blunt knife area in contact is larger than sharp knife so as area increases pressure decreases... but. for sharp knife area is not larger so area decreases pressure increases
that's why fruits can.......
hope it help's u
Answer:
The load carrying heavy vehicles have a large number of tyres to increase the area of contact. This decreases the pressure exerted on the ground and prevents the vehicle from sinking.
The atmospheric pressure is about 1,00,000 Pa.
We carry this much pressure on our heads.
The average surface area of a human body is about 2 m. Therefore a thrust of about 2,00,000 N acts on our body. We do not feel this enormous thrust and pressure because the pressure exerted bh the blood in our body is slightly more than this atmospheric pressure. Thus, we are not aware of this enormous pressure.
Fresh water does not contain salt, while marine water contains a large amount of salt which makes it denser than fresh water. Thus, it exerts a greater buoyant force or upthrust than fresh water. This is why a ship dips to a larger depth in fresh water than in marine water.
Sharp knifes have sharp edges. Thus, the area of contact is less. This increases the pressure exerted by them. This is why fruits can be easily cut by a sharp knife.