laws of motion class 9.pptx for CBSE class 9 students

class 9 cbse chapter laws of Motion. As per CBSE Syllabus

1. CHAPTER-9: FORCE AND LAWS OF MOTION BY PRAVEEN PRABHAKAR, TGT PHYSICS DAV, JAMALPUR

2. HOW MOTION BEGINS

3. HOW MOTION STOPS

4. NEWTON’S FIRST LAW OF MOTION EVERY BODY CONTINUES IN ITS STATE OF REST OR OF UNIFORM MOTION ALONG A STRAIGHT LINE UNLESS COMPELLED BY AN EXTERNAL UNBALANCED FORCE

5. FORCE Force is defined as that external agent which changes or tend to change the state of Inertia Examples : Push Pull, Kick,Catch lift etc

6. Ff for every action there is an equal and opposite reaction

7. Law of Conservation of momentum The law of conservation of momentum states that if no external force is acting on a system, the total linear momentum will remain constant. Momentum before collision =momentum after collision

8. ROCKET PROPULSION

9. THANKS