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,
Deep sea divers puit on special suit to: | |||
| Right Option : C | |||
| View Explanation |
Hary says water exerts pressure on the bottom of the bucket, but Robert says water exerts pressure on the wall of the bucket. Who is correct ? | |||
| Right Option : C | |||
| View Explanation |
Which of the following are correct : (a) Force is a vector quantity but pressure is a scalar. (b) Pressure is defined as the force or thrust exerted over a unit area. (c) Force is a scalar quantity but pressure is a vector. | |||
| Right Option : A | |||
| View Explanation | |||
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8thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
