Across
- 4. - an inclined plane used to help lift an object
- 5. - point about which a lever pivots
- 6. - ratio of the load force to the effort force used by a simple machine
Down
- 1. - a device that increases the force applied for a task
- 2. - a device that requires small movement of the effort to produce a large movement of the load
- 3. - a device that makes work easier by changing the size or direction of a force