Here's a breakdown:
* Momentum: A measure of the "amount of motion" an object has. It's a vector quantity, meaning it has both magnitude (size) and direction.
* Formula: Momentum (p) = mass (m) × velocity (v)
* Units: The SI unit of momentum is kilogram-meter per second (kg·m/s).
Key points about momentum:
* Directly proportional to mass and velocity: A heavier object or an object moving faster will have more momentum.
* Conserved in closed systems: In a closed system, the total momentum before a collision or interaction is equal to the total momentum after. This is the law of conservation of momentum.
Let me know if you have any more questions!