Black Stars Simple Machines
Across
- 3. the amount of energy used in a unit of time.
- 4. mechanical advantage
- 5. a device consisting of a wheel over which a rope or chain is pulled
- 6. a piece of wood, metal, or some other material having one thick end and tapering to a thin edge, that is driven between two objects or parts of an object to secure or separate them
- 9. a sloping ramp up which heavy loads can be moved
- 10. the amount of force that would accelerate a mass of one kilogram one meter per second
- 12. the quality that gives things weight anywhere there's gravity.
- 13. toothed wheel that works with other toothed wheels
- 15. power directly applied to lift a load
Down
- 1. tow or more simple machines working together
- 2. a rigid bar on a pivot or fulcrum
- 4. something that transmits or modifies force or motion
- 7. simple machine involves two circular objects — a larger disc and a smaller cylinder, both joined at the centre
- 8. pivot of a lever
- 11. the energy required to move an object. Equal to the force times the distance the object moves
- 14. a simple machine of the inclined plane type consisting of a spirally grooved solid cylinder