Chapter 8
Across
- 1. fixed point of a lever
- 7. force applied to the machine
- 8. a machine in which work input equals work output
- 9. measure of how much work put into a machine is converted to work put out by the machine
- 11. a bar that is free to pivot
- 12. a type of machine that does work with only one movement
- 15. a device that makes work easier
- 16. sloping surface used to raise objects
Down
- 2. force applied by the machine
- 3. the number of times a machine multiplies effort force
- 4. grooved wheel with a rope or chain running along the groove
- 5. an inclined plane with two sloping sides
- 6. rate at which work is done
- 10. a combination of two or more simple machines
- 13. simple machine consisting of two wheels at different sizes that rotate together
- 14. inclined plane wrapped around a cylindrical post