Force and Press...

 Hary says water exerts pressure on the bottom of the bucket, but Robert says water exerts pressure on the wall of the bucket. Whose statement is correct?

We have observed that water from the leaking pipe forms fountains. What conclusion can you draw from this observation?

 When we inflate the balloons with air, we find that its size increases. The large number of gas molecule collides with each other and creates large:

 In which one of the following case, the pressure exerted will be maximum?

When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The raise of water in the dropper is due to:

 Match the following in the table given below:

Statement I: Pressure is the force acting per unit area of the surface.

Statement II: Force acting perpendicular to the surface is called thrust.

It is seen that vegetables are cut easily with the sharp knife. In such case, less force are required to cut the vegetables. This is due to the fact that sharp knife has very:

The air pressure at the sea level is found to be: