Lesson 2.4 Pascal's Principle Form 5 KSSM

Exercise 2.4 Pascal's Principle Link :

Pascal’s principle, also called Pascal’s law, in fluid (gas or liquid) mechanics, statement that, in a fluid at rest in a closed container, a pressure change in one part is transmitted without loss to every portion of the fluid and to the walls of the container.
Pressure is equal to the force divided by the area on which it acts. According to Pascal’s principle, in a hydraulic system a pressure exerted on a piston produces an equal increase in pressure on another piston in the system. If the second piston has an area 10 times that of the first, the force on the second piston is 10 times greater, though the pressure is the same as that on the first piston. This effect is exemplified by the hydraulic press, based on Pascal’s principle, which is used in such applications as hydraulic brakes.

Pascal also discovered that the pressure at a point in a fluid at rest is the same in all directions; the pressure would be the same on all planes passing through a specific point. This fact is also known as Pascal’s principle, or Pascal’s law.

[unknownyay]

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[tanyingxin]

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[loomeikee]

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[smilemore]

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[hungryshark]

Teacher, how do we get the relationship from the formula.For example, P=F/A then when we want to get the relationship between Force and Area, what are we supposed to do?

[ying]

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[loomeikee]

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