Solve the following crossword using the given clues:

ACROSS
3. Principle relating to the apparent weight of a body when immersed in water.
6. Pressure caused by the weight of the air
7. Forces that require physical contact between objects
10. The force that exists between two magnets.
11. Unit of force
12. The resistance to movement that occurs when two bodies are in contact
13. The state when aperson does not feel any sensation of weight.
DOWN
1. The pull of the earth
2. SI unit of pressure
4. Measure of the amount of matter in a physical body
5. The upward force that a fluid exerts on an object that is immersed in the fluid.
8. The force with which the earth pulls a body towards its centre.
9. Something that tends to cause movement of a body.

Explanation