Across
- 2. a negative charged particle
- 4. a pair on inclined planes that move
- 5. a straight slanted surface
- 6. grooved wheel that holds a rope or cable
- 8. a cylinder with a wedge wrapped at the tip
- 9. a neutral charged particle
- 12. is a device that makes work easier by changing size or direction of force
- 13. a positive charged particle
- 14. is the ability to do work
Down
- 1. happening at regular intervals
- 3. machines that are made up of two or more simple machines
- 4. a simple machine consisting of two circular objects of the same size
- 7. has 3 different classes
- 10. when a force cause an object to move in the direction of the force
- 11. smallest particle an element can be divided into