1. Section 1: Work & Energy

2. Q: What is energy? Q: Where does energy come from?

3. Section 1: Energy and the work equation
Energy: the ability to do _______

4. Types of energy:
Potential: Kinetic:

5. Real Life Applications

6. NASCAR: Why are cars designed to crush

7. Spring vs. Shock: How could running shoes effect your stamina?

8. What makes space travel so difficult?

9. Work Energy Equation: Work = Net Force x Distance x cos(θ)
Demo 1: Lifting weights and cheating Demo 2: Shooting projectiles

10. Work Sample Calculations:
Sample Calc 1: A force of 50 N acts on the block at the angle shown in the diagram. The block moves a horizontal distance of 3.0 m. How much work is done by the applied force?

11. Sample Calc 2: Find the work done on the following guy if he is pulled 10 meters.

12. Practice Problems:
Pg 162 (1-4) Pg 163 (1-4)