Simple Machines
Across
- 1. Used to join or fasten objects.
- 3. Scissors are an example of a _____ class lever.
- 6. A wheelbarrow is an example of a _____ class lever.
- 7. A push or pull.
- 9. Used to transport objects without the need to slide them on the ground.
- 11. A mechanical device that changes the direction or magnitude of force.
- 12. Ability to do work.
Down
- 2. Used to cut or split objects.
- 3. Equals mass times acceleration.
- 4. A shovel is an example of a _____ class lever.
- 5. A grooved wheel with a rope or cable used to lift or move loads.
- 6. There are _____types of simple machines.
- 8. A flat surface that is tilted at an angle.
- 9. Equals force times distance.
- 10. Consists of a rigid bar that pivots around a fulcrum.