Simple Machines
Across
- 4. force used to operate a lever
- 6. push or pull acting on an object
- 7. group of pulleys mounted together in a frame or block, which provides significant mechanical advantage
- 8. used to bridge the gap between high and low surfaces
- 10. lever that can rotate about its centre, magnifying force or distance
- 11. simple machine that reduces the effort needed to do work
Down
- 1. lever that can change a weak force into a strong force
- 2. resisting force the effort has to overcome.
- 3. a special inclined plane with a thread that wraps around a centre core
- 5. turning point of a lever
- 9. simple machine with a rope or chain in a groove around its edge that makes it easier to lift an object
- 10. moves through an object, transferring the downward force into a side ways force