Stability and Motion: Forces and Interaction

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Across
  1. 1. the force applied to move an object over a distance
  2. 4. a push or pull that can make an object move, stop moving, or change direction
  3. 6. a force that opposes the direction of motion
  4. 7. a simple machine that is a sloping surface that can be used to raise or lower a load
  5. 9. a device that changes the direction or magnitude of force
Down
  1. 2. a force that resists the movement of an object.
  2. 3. a simple machine made of a wheel with a rod through its center
  3. 5. a simple machine that includes a stiff bar that rests on a support called a fulcrum
  4. 8. a simple machine that uses grooved wheels and a rope, chain, or cable to raise or lower a load
  5. 9. how many simple machines are there?