Chapter 11 – Force and Pressure

When a given force is applied on larger area of contact the pressure exerted by it:

The pressure exerted by a liquid:

A force can:

Force is:

Liquids exert pressure on the walls of the container:

The pressure exerted by the air is known as:

When a rubber sucker is pressed on a plane surface than it sticks to the surface because of :

The instrument used of measure atmospheric pressure is:

The force exerted on a normal human being due to atmospheric pressure is:

The weight of air that every square centimetre of any surface carries is:

When bicycle tube is punctured than:

We are not crushed under the weight of air because:

The non-contact force is:

A boat comes to rest if we stop rowing it due to:

A football moves when we:

Which of the following is contact force:

The non-contact force is:

Pressure =

Knives, needles, saws are made sharp or pointed to:

The pressure with the height of the liquid column.

By decreasing the contact area the pressure:

The unit of pressure is:

The instrument used to measure pressure of liquids is:

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 rise of water in the dropper is due to:

Pushing a rock from a hill top is an example of:

Under which condition can a moving object charge its direction:

A stone thrown with a catapult (Gulal) falls back on the ground because :

The SI unit of force is:

A man walking on the street slips on a banana skin because:

between his shoe and the ground In desert areas, a camel can walk very easily as compared to horse because it has: