Across
- 4. The distance between fulcrum and load.
- 5. A simple machine made of wood which is a combination of two inclined planes.
- 7. A ___ is a rigid bar or rod that can move about a fixed support.
Down
- 1. A slanting surface which connects two points at different heights so that heavier objects move easily.
- 2. A ____ consists of a wheel with a grooved rim in which a rope or chain can run.
- 3. A type of inclined plane wound around a rod spirally making a number of turns on it.
- 6. Force applied by the machine.