Our Universe

1 and 2 Mark Questions:

1.What is Mass and Weight?

2.Define Weight of a Body?

3.Define Mass of a Body?

4.What is heliocentric theory?

5.State Hooks Law?

6.Write relation between ‘g’ and ‘G’?

7.What are the characteristic of Simple Harmonic Motion?

8.What is the acceleration due to Gravity?

4 Mark Questions:

9.State Newton’s Law of gravitation and derive F=gm₁m₂ / r² ?

10.State Hook’s Law and How to prove Hook’s Law in lab?