Across
- 1. a short slender sharp pointed pin with a metal line running around it its a old simple machine
- 3. a slanted piece of wood driven down between one object to pretty much cut it in half an make two objects
- 4. machine system a machine made up of simple machines
- 11. force measure of how the speed of the object is affected by machine
- 12. special type of linkage for transporting energy to big vehicles
- 14. purpose or task
- 15. a wheel and rope pulled down to lift heavy objects
- 17. machine a basic mechanical device like a wedge or lever
- 19. a pair of wheels with teeth interlinking with other wheels rotating together
- 20. an activity involving physical work to accomplish a goal
Down
- 2. and axle a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum to provide mechanical advantage
- 5. advantage amount by which a machine can multiply force
- 6. force that oppose motion
- 7. system a transmission system that uses pressurized hydraulic fluid to power hydraulic machinery parts of that machine that move
- 8. measure of amount of force placed on a object
- 9. a self contained system in a larger system
- 10. is a device that helps us work, is used in people’s life every day
- 11. plane simple machine made of a flat surface
- 13. force force applied to an object
- 16. a simple machine made up of a rigid bar that rotates on a fixed object called a pivot or fulcrum a point where a lever rests on
- 17. radio are a kind of electromagnetic radiation, and thus they move at the speed of light
- 18. law is a principle in fluid mechanics that states that a pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid