Available Answers

1. 1.

   Fill in the blanks.

   1. It is easier to open a nut using a spanner of __________ handle.
   2. The moment of force is _____________ proportional to the applied force.
   3. Liquids expert pressure on the ___________ and _________ of the container.
   4. A _________ seeks it's own level.
   5. A denser liquid exerts __________ pressure.
   6. The atmospheric pressure ________ with altitude.
2. 2.

   State whether the following statements are true (T) or false (F). Correct the false statements.

   1. Kilogram force a bigger unit if force than Newton.
   2. A truck has six to eight types to increase the pressure.
   3. A turban on the head of a porter reduces the pressure by increasing the area of contact.
   4. A sledge is an example of high pressure applied in our daily life.
   5. The atmosphere extends upward up to about 100 km from the sea level.
   6. The blood in our body has the same pressure as atmosphere pressure.
   7. The moment of force gives us the turning effect of force.
3. 3.

   Match the columns.

   Column A	Column B
   1. Force	a. More pressure
   2. Dams	b. Newton
   3. Pressure	c. 100 kPa
   4. Pencil heels	d. Wide base
   5. Atmospheric pressure	e. N m
   6. Moment of force	f. N m-2

4. 4.

   Pressure exerted by soils, liquids and gases. Show in the form of a flowchart.

5. 5.

   Factors on which moment of force depends. Show in the form of a flowchart.

6. 6.

   It is the easiest to open a closed door by applying force at the edge of the door. Give reasons.