Forces and Simple Machines

12345678910111213
Across
  1. 3. The disadvantage of an inclined plane is, the object needs to move over a ______ distance.
  2. 4. A ______ consists of a wheel and a groove for holding a rope in place.
  3. 6. A simple ______ is a device that can change the size and/or direction of force needed.
  4. 10. Two types of pulleys: ______ and movable
  5. 11. Lever makes our tasks easier by allowing us to use a ______ force to overcome a large load.
  6. 12. A fulcrum is a a fixed point about which the lever can ______.
  7. 13. A ______barrow is an example of a lever.
Down
  1. 1. A ______ can be used to open a tin (eg. milo).
  2. 2. A steeper ramp requires ______ effort than a gentle ramp to move the load.
  3. 5. In a movable pulley, the effort needed is less than the weight of the ______ .
  4. 7. A lever has three parts: load, ______ and fulcrum.
  5. 8. Using an inclined plane allows us to use ______ effort compared to lifting load up vertically upwards.
  6. 9. An ______ plane is a flat surface but one end is higher than the other end.