Across
- 5. A machine consisting of two or more simple machines operating together, as a wheelbarrow consisting of a lever, axle, and wheel.
- 6. A simple machine that has a bar and pivots on the fulcrum when you push on the end the other side will come up.
- 7. a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum.
Down
- 1. also known as a ramp, is a flat supporting surface tilted at an angle, with one end higher than the other, used as an aid for raising or lowering a load.
- 2. short, slender, sharp-pointed metal pin with a raised helical thread running around it and a slotted head, used to join things together by being rotated so that it pierces wood or other material and is held tightly in place.
- 3. the point on which a lever rests or is supported and on which it pivots.
- 4. a wheel with a grooved rim around which a cord passes.
- 7. 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.