Year 9 - Physics - 13-2-15

Thai Sikh International School

E-Learning Programme – Online Assignment 

Name :                                                                                    Subject :Physics 

Year   :  9                                                                                Schedule No. : 7 

1.Mention at least five examples of Action and Reaction pairs.

2.What are vectors and scalars. What is parallelogram rule for addition of vectors?.

3.Write short notes on  1.Centripetal force, and  2. Centrifugal force. 

4. Satellites around the earth, planets around the sun, electrons around the nucleus, etc are examples of  centripetal force. Explain briefly about them.

5.What is the moment of a force?. Explain the principle of moments.