1. King Fahd University of Petroleum & Minerals Mechanical Engineering Dynamics ME 201 BY Dr. Meyassar N. Al-Haddad Lecture # 39

2. Measure of impact effect –Compare bullets with small mass and high velocity Ship with huge mass and slow velocity L is a vector -- points in same direction as v Unit: kg.m/s or slug.ft/s Linear Momentum

3. Measure of Rotational effect H is a vector quantity in the direction of  Unit: kg.m 2 /s or slug.ft 2 /s Angular Momentum

4. Translation Rotation About a Fixed Axis General Plane Motion

6. Principle of Impulse and Momentum Principle of Angular Impulse and Momentum Principle of Linear Impulse and Momentum

8. For the entire system

9. Example 19-2

10. Example 19-3

12. Example 19-4