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Unit 2 Lesson 1,2,3
| Question | Answer |
|---|---|
| The use of force to move something. | Work |
| The ability to do work. | Energy |
| The rate at witch work is done. | Power |
| The energy of motion. | Kenetic Energy |
| Stored Energy for later use. | Potential Energy |
| Energy possessed by an object due to its motion and position. | Mechanical Energy |
| Any device that does work. | Machine |
| Number of times a machine multiplies the input force. | Mechanical Advantage |
| Comparison of a machines output with the work input. | Mechanical Effciency |
| Simple machine with a bar that pivotes at a fixed point. | Lever |
| A fixed point on a lever. | Fulcrum |
| Simple machine made of a wheel and a smaller cylindrical object(Axle). | Wheel and Axle |
| Simple machine with a groved wheel and holds a rope or cable. | Pulley |
| A simple machine with a strait or slanted surface. | Inclined Plane |