Comparison should include
- positive examples such as
- brakes
- thrust
- heating and cooling a house
- cooking
- adjusting volume on an amplifier
- negative examples such as
- drag
- brake failure due to overheating
- short circuits
- processor overheating and/or failure.
Process/Skill Questions:
- When is resistance a positive effect and when is it negative?
- What are the positive effects of resistance in a mechanical system? Fluid? Electrical? Thermal?
- What are the negative effects of resistance in a mechanical system? Fluid? Electrical? Thermal?