Across
- 4. is a group of parts that work together to perform a function
- 7. the force the machine applies the object
- 14. is the measurement of how well a machine or device uses energy
- 15. ration is calculated by dividing the input distance by output distance
- 17. amount by which a machine can multiply
- 20. is what the device is supposed to do
- 21. The size of the gears and the sequence in which they engage define the ratio of the angular velocity
- 24. is a combination two wheels of different diameter the turn together
- 25. is a rigid bar or plank that can rotate around a fixed point called a pivot or fulcrum
Down
- 1. essential components of most mechanical systems
- 2. is the measure of the amount of force applied to a given area
- 3. simple machine that looks like an inclined plane but is forced into an object
- 5. simple machine made up of a flat surface
- 6. force a machine applies to an object
- 8. uses a liquid under pressure to move loads
- 9. is a system in which simple machines all work together
- 10. smaller group of parts within a complex machine the performs a specific function
- 11. is a tool or device made up of one basic machine
- 12. the principle of transmission of fluid-pressure
- 13. is the force that opposes the motion
- 16. special type of cell
- 18. is a cylinder with a groove cut into a spiral on the outside
- 19. is the part that transfers your your energy from the pedals to the back wheel
- 22. simple machine made up of wire,rope,or rope moving on a grooved wheel
- 23. is a device that helps us do work
- 24. is done when force acts on objects to make the object move