Pressure
Pressure
Pressure: When you press down the handle of a bicycle pump, the pressure of air within the pump increases and this in turn inflates the bicycle tyre. When you push the handle of a bicycle pump you apply a force on the surface area of its piston. So, the effect of a force also depends on the area of the object over which it works. “This effect of force on a given area is called Pressure.” Thus, we conclude that pressure depends on two factors:
1. Force applied and
2. Area over which force acts.
Pressure is the force per unit area. Pressure = Force/ Area
Example: Force of 200 N is applied to an object of area . Find the pressure
Solution: Given,
Now, Pressure,
Pressure in a fluid at rest is same at all points which are at same height. This is known as | |||
| Right Option : C | |||
| View Explanation |
Which of the following are correct : (a) Pressure is defined as the force or thrust exerted over a unit area. (b) The SI unit of pressure is Pascal. (c) Pressure depends on two factors Force applied and Area over which force acts. | |||
| Right Option : D | |||
| View Explanation | |||
In cities water supply from an overhead tank to the houses is done due to. | |||
| Right Option : B | |||
| View Explanation |
Students / Parents Reviews [10]
About Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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Cheshta
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Ayan Ghosh
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Archit Segal
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Eshan Arora
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8thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
