Formula deep page
Conservation of Momentum
m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂
This formula belongs to the chapter "Force and Laws of Motion" in Class 9 Science. Use it after identifying the right variables, matching the chapter context, and writing the substitution clearly.
How to use it
- Identify the quantity you need to find.
- Check the related variables and units from the question.
- Substitute values carefully into the formula.
- Simplify step by step and write the final statement.
Worked cue
2kg at 5m/s hits 3kg at rest: 10=2v₁+3v₂. If stick: v=(10)/5=2 m/s