Eng St Puzzle 1

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