| A | B |
|---|
| Power | Work in a given amount of time |
| Watts or Horsepower | Units of Power |
| 746 | 1 horsepower = ____ watts |
| James Watt | Who perfected the steam engine |
| Work | Force x distance |
| Units of Work | Newton-meter |
| Units of Work | Joule |
| Unit of Power | Joule per second |
| NO | If you are pushing on a car and there is no motion are you working?? |
| Force MOVING through some distance | Work requires ____? |
| kilowatt | 1,000 watts = 1 _____? |
| Weight | Mass times the acceleration due to gravity equals |
| Newton | Units for force and weight |
| Elastic Collision | Type of Collision when two objects bounce off of one another |
| Inelastic Collision | Type of Collision when object crash and become entangled |
| Lever | Crowbar is what kind of a simple machine |
| Machine | Object that does not increase work but makes the work easier to do. |
| Screw | A spiral staircase or lightbulb |
| Wheel and Axel | Cart Tires are what type of simple machine |
| Pulley | A sailboat uses this type of simple machine to raise and lower the sails |
| A Wedge | When splitting logs I would use this type of simple machine |
| Inclined Plate | Stairs or a ramp are this type of machine |
| NO - no velocity, no momentum | Does a moving object have momentum? |
