FAQs on Pressure Exerted by Liquids

Question 1

1. What is pressure exerted by liquids?

Accepted Answer

Ans. Pressure exerted by liquids is the force applied by a liquid on the walls of its container or any object submerged in the liquid. It is the result of the weight of the liquid and is measured in terms of force per unit area, typically in pascals (Pa).

Question 2

2. How is pressure exerted by liquids calculated?

Accepted Answer

Ans. The pressure exerted by liquids can be calculated using the formula: Pressure = Force/Area. The force is the weight of the liquid, which can be calculated by multiplying the mass of the liquid by the acceleration due to gravity. The area is the surface area on which the force is applied.

Question 3

3. Does the pressure exerted by a liquid depend on its depth?

Accepted Answer

Ans. Yes, the pressure exerted by a liquid does depend on its depth. The deeper the liquid, the greater the pressure. This is because the weight of the liquid increases with depth, and the pressure is directly proportional to the weight.

Question 4

4. How does the pressure exerted by a liquid change with the density of the liquid?

Accepted Answer

Ans. The pressure exerted by a liquid is directly proportional to the density of the liquid. If the density of the liquid increases, the pressure exerted by it also increases. This is because the weight of the liquid increases with density, leading to a higher pressure.

Question 5

5. Can pressure exerted by a liquid change with the shape of the container?

Accepted Answer

Ans. No, the pressure exerted by a liquid does not depend on the shape of the container. It only depends on the depth and density of the liquid. The pressure is the same at any point at the same depth in a liquid, regardless of the shape of the container.

Pressure Exerted by Liquids Video Lecture - Science Class 8

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