FORCE, TOOLS AND MACHINES

123456789101112
Across
  1. 3. it is built in the buildings for people in wheelchairs
  2. 5. the force that slows or stops objects that are sliding past each other.
  3. 6. friction only occurs between two ____ objects.
  4. 7. the inclined plane wrapped around a cylinder
  5. 10. rough surfaces have ____ friction than smooth surfaces
  6. 11. if the object's weight is more than the total weight of the water it moves, then it will ____.
  7. 12. the simple machine that can lift objects with little effort
Down
  1. 1. the force that works in water.
  2. 2. the force that makes sure that what goes up must come down.
  3. 4. the force in air that slows the object down.
  4. 5. the point on which arm rest or it is attached in a lever.
  5. 8. the two inclined plane joined together
  6. 9. the machine that has a wheel with a rope or chain wrapped around it.