Advertisements
Advertisements
Question
Why does it happen?
The wall of a dam is broad at its base.
Solution
We know the pressure of liquid increases with depth. So, the wall of a dam is made broader at its base so that it is able to withstand the heavy pressure exerted by the river water.
RELATED QUESTIONS
Why is it difficult to hold a school bag having a strap made of a thin and strong string?
What name is given to thrust per unit area ?
Fill in the blank with suitable word :
In order to sink in a fluid, the density of an object must be .................. than the ................ of the fluid.
Liquid pressure decreases with the decrease of depth.
State whether true or false. If false, correct the statement.
The shape of an object helps to determine whether the object will float or not
All flowing substances such as liquids or gases are called fluids.
A liquid flowing out of a very small opening of a tube or tap comes out in the form of fine drops and not as a continuous stream. Why?
The pressure does not depend upon ______.
A solid floats in liquid with a portion of it being submerged. Then ______.
- The liquid exerts an upthrust equal to the weight of the solid
- The weight of the dispersed liquid is equal to the weight of solid
- Solid exerts a force equal to its weight on liquid
Differentiate Liquid from Gas