Simple Machines
Across
- 2. A crane is an example of a _______
- 4. The force you apply when you want to move an object over a distance - such as a ramp
- 5. This is a simple machine which is often disguised as a circular object
- 9. This is the force of gravity pulling an object down to the ground. It is also known as weight.
- 12. These types of machines are made of few or no moving parts
- 14. Scissors are an example of a ____ class lever
- 16. Using BBQ tongs would be an example of a ___ class lever
- 17. This is a simple machine that uses the turning effect of a force (fulcrum) to work
Down
- 1. A wheelborrow is an example of a ___ class lever
- 3. This is an example of an inclined plane which the ramp is pushed down into an object (eg: a corkscrew)
- 6. In a second class lever, this is placed in the middle
- 7. In a lever, this is the resistance to motion
- 8. There is ____ force required when pushing a force up a steep slope compared to a gentle slope
- 9. A ramp allows you to do the work with ____ force
- 10. In a lever, this is the force used to cause movement
- 11. When the fulcrum is in between the load and effort it is known as a ____ class lever
- 13. This is a device that makes a physical task easier
- 15. This is an example of an inclined plane which can be used to split an object.
- 18. An inclined plane is also known as a _____