click below
click below
Normal Size Small Size show me how
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 |