- A compound machine is a device that combines two or more simple machines to perform work more efficiently or with less effort.
- You can find compound machines in a bicycle, a car, and a pair of scissors.
- Almost every compound machine contains levers and wheels and axles.
- Two simple machines that make up a lawn mower are the wheel and axle (for the wheels) and the lever (for the handle).
- Compound machines help us by reducing the amount of force needed to do work, making tasks faster to complete, and allowing us to perform complex jobs that would be difficult or impossible with just one simple machine.
- The simple machine that winds or unwinds the fishing line on a fishing pole is a wheel and axle.
Parent Tip: Review the logic above to help your child master the concept of simple and compound machines worksheet.
