Index for
Chapter 5
Impulse and Momentum

1. Impulse

• impulse
• Impulse ($\overrightarrow{J}$) measured in Ns
• $\overrightarrow{J}={\overrightarrow{F}}_{avg}\mathrm{\Delta }t$

2. Momentum

• momentum
• Momentum ($\overrightarrow{p}$) measured in Ns
• $\overrightarrow{p}=m\overrightarrow{v}$
• $\overrightarrow{J}=\mathrm{\Delta }\overrightarrow{p}={\overrightarrow{p}}_f-{\overrightarrow{p}}_i$
  $\text{or }{\overrightarrow{p}}_f={\overrightarrow{p}}_i+\overrightarrow{J}$

3. Bouncing Off Walls

• collisions
• When studying collisions, calculate the momentum of the ball right before and right after the collision, so that non-collision forces can be ignored.

4. Total Momentum

• system
• The momentum of a system of objects is equal to
  the sum of the momenta of its individual components.

5. Conservation of Momentum

• conservation of momentum
• During a collision, the total momentum of a
  system of the objects involved stays the same.

6. 2D Collisions

7. Assessment Objectives

8. Impulse and Momentum Problems

9. Collision Problems