Practice Work Sheet For Class 8

Work Sheet

FORCE

I .Fill in the blanks:

1. The unit of Pressure in SI unit system is ___________.

2. We can move a ball from its position of nest by applying __________ on it.

3. The force acting perpendicularly on unit area of a surface is called _________.

4. Pressure = ___________.

5. The unit of Force in SI system is _________.

6. Magnetic force is an example of _________ force.

7. Muscular force is an example of __________ force.

8. Push or Pull is a ________.

9. Walking is _______ force.

10. Upward push on a book by table is _______ force.

II. Read the passage and answer the questions.

    Take two trays. Fill both the trays with lime powder on fine sand. Now take two rectangular bricks of equal mass and similar shape. Name them as A and another one as B. Keep A brick vertically in one tray and B brick horizontally in the second tray. 

11. Which brick sinks deep in to sand?

12. What is the reason for this?

Tags: Force, Push, Pull, Contact force, Field Force, Muscular force, Normal, Friction, Tension, Magnetic force, Electrostatic force, Gravitational force, Pressure, Newton, Newton per metre square.