Across
- 4. A cylindrical shaft with helical grooves around the outside.
- 7. When the sum of forces in a force polygon equates to zero.
- 8. This is used in simple machines to increase speed.
- 9. A material with metallic properties, usually made by combining different metals and or non-metals.
Down
- 1. A scalar quantity because it only has a magnitude.
- 2. A common feature of a vector quantity.
- 3. An example of a second-order simple lever system.
- 5. This is an example of an inclined plane.
- 6. Another name for a fulcrum in a lever system.