# MOMENTUM (1)

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- Created by: Zara Rathod
- Created on: 19-03-13 23:11

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**Momentum- COLLISIONS**

**momentum has a SIZE and DIRECTION**

**MOMENTUM IS ALWAYS CONSERVED (stays the same) PROVIDED THERE ARE NO EXTERNAL FORCES APPLIED.**

**Momentum is basically mass in MOTION.**

**MOMENTUM of MOVING OBJECT (Kg m/s) = MASS (kg) x VELOCITY (m/s)**

**P= M x V**

**where:**

**P= Kg, metres/second**

**M= mass in Kg**

**V= speed in m/s**

eg calculate the momentum of a sprinter of mass 50Kg running at a velocity of 10m/s.

- mass= 50kg
- velocity= 10m/s
**= 50 x 10= 500 Kg m/s.**

**LAW OF CONSERVATION OF MOMENTUM:**

**In a closed system: **…

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