Across
- 3. is the amount of force the machine exerts on an object
- 5. anytime you exert a force on an object that causes it to move
- 8. is the S.I unit of power
- 9. is a device that allows you to do work in an easier way
- 12. is a simple machine with a flat sloped surface
- 15. is the fixed point in a lever
- 16. the most basic device for making work easier
- 17. is a device that is thick at one end and tapers to a point at the other end
- 18. number of times a machine increases a force exerted on it
Down
- 1. compares a machines output work to input work (usually a percentage)
- 2. a machine that combines two or more simple machines
- 4. is the rate at which work is done
- 6. is the S.I unit of work
- 7. is a simple machine that is an inclined plane wrapped around a cylinder
- 10. is the amount of force you exert on an object
- 11. a bar that is free to rotate around a fixed point
- 13. a simple machine made of a grooved wheel and a rope or cable
- 14. made of two connected objects that rotate around an axis