Page 15 - Pressure 10 class
P. 15
Application of Pascal’s Law
1. Hydraulic press
2. Hydraulic jack
3. Hydraulic brake
4. Hydraulic lift
These devices are commonly
known as Hydraulic
machines.
Q. Why is liquid used in hydraulic machines?
Ans : Liquid is used in hydraulic machines because of following reasons;
i. Liquids are incompressible.
ii. Liquid transmits pressure equally and perpendicularly in all directions.
Principle of hydraulic Machine:
The principle of hydraulic machine states that, “ A large force is developed on a larger piston
when a small effort is applied on the smaller piston.
July 30, 2020 Taranath Baral/GC Shiba/Suraj Thapaliya 15
