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,
We have observed that water from the leaking pipe forms fountains. What conclusion can you draw from this observation ? | |||
| Right Option : A | |||
| View Explanation | |||
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 |
Pressure at a ertain depth | |||
| Right Option : B | |||
| View Explanation |
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