# MrFlint.com

The online companion to your favorite class.

- Define work as product of force and distance, and as a vector
- Units of work including horsepower conversion
- Work as a change in energy: the Work-Energy Theorem

- Law of Conservation of Energy - define mechanical and other forms of energy
- Power to lift an elevator
- Work done by a spring
- Work as area under f-d graph (similar to work under f-t graph for impulse)

- P. 241, 8-11 due
- Some more kinetic energy examples
- Intro. to Power Lab

- P. 241, 19-25 due
- Power lab

- Return/Review problems from last week
- Ideal machines and mechanical advantage

- Machines example problems
- Mechanical advantage, ideal mechanical advantage, and efficiency
- Intro. to Machines Lab

- Machines lab today

- P. 242; 26-30, 34-35 due
- Go over problems together in class

- 120 kg boy moving at 1.2 m/s collides with a 100 kg girl moving at -0.80 m/s. Determine the final velocity.

- P. 219, 34-37 due
- Go over problems together

- Momentum Lab due

- Return/Review last problem set
- Help with some problems
- Work on problems in class

- P. 220, 40-44 due
- Go over problems in class

- P. 220, 45-48 due
- Go over problems in class

- Chapter 9 Review due
- Go over problems in class

- Chapter 9 Test

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