Compound Machine
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Electrician (Installs & Repairs Electrical Systems in Buildings) ~$50,000 - $90,000 - Number of jobs: 820,000 (81,000 Openings Per Year) +9% Growth
Industrial Technician (Maintains & Repairs Machines) ~$50,000 - $75,000 - Number of jobs: 540,000 (54,000 Openings Per Year) +13% Growth
Civil Engineer (Designs Infrastructure) ~$65,000 - $110,000 - Number of jobs: 370,000 (23,600 Openings Per Year) +5% Growth
Mechanical Engineer (Designs Machines) ~$65,000 - $115,000 - Number of jobs: 290,000 (18,100 Openings Per Year) +9% Growth
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Example:
Imagine you're trying to carry a stack of groceries from your car to your kitchen in one trip. Just as you might use a combination of techniques—like balancing bags on your arms and using your foot to prop the door open—to make this task easier, a compound machine utilizes multiple simple machines to accomplish work more efficiently. In this scenario, balancing the bags represents levers, your foot acting as a doorstop is a wedge, and together they simplify the task just like a compound machine combines elements like levers and wedges to achieve a goal more effectively.
Practice Version
Compound Machine: A machine made of two or more simple machines. Compound machine. A compound machine is a device that combines multiple simple machines to perform work more efficiently.