8. (a) State the law of conservation of momentum and give an example to illustrate it.
Prove with the help of third law of motion that total momentum of two bodies is
conserved during collision, provided no external force acts on it.
Answers
Answer:
This is your answer
Explanation:
The Law of Action-Reaction (Revisited)
Momentum Conservation Principle
Isolated Systems and Collision Analysis
Collision Analysis and Momentum Problems
Using Equations as Guides to Thinking
Momentum Conservation in Explosions
One of the most powerful laws in physics is the law of momentum conservation. The law of momentum conservation can be stated as follows.
For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision. That is, the momentum lost by object 1 is equal to the momentum gained by object 2.
The above statement tells us that the total momentum of a collection of objects (a system) is conserved - that is, the total amount of momentum is a constant or unchanging value. This law of momentum conservation will be the focus of the remainder of Lesson 2. To understand the basis of momentum conservation, let's begin with a short logical proof