Simple Machines and Forces

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. A simple machine of the inclined-plane type consisting of a spirally threaded cylindrical rod (5)
  2. 3. The tendency of a body to maintain its state of rest or uniform motion unless acted upon by (7)
  3. 6. A push or a pull (5)
  4. 7. A simple machine consisting of a wheel with a groove in which a rope can run to change (6)
  5. 8. The use of movements to communicate familiar or prearranged signals (6)
  6. 9. Attraction for iron (13)
  7. 11. How fast something moves (5)
  8. 12. A large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (5)

Down

  1. 2. Hoist so arranged that a rope unwinding from a ___ is wound onto a cylindrical drum or shaft (12)
  2. 4. A simple machine for elevating objects (13)
  3. 5. A rate of increase of velocity (12)
  4. 10. A simple machine that gives a mechanical advantage when given a fulcrum (5)