You Wouldn’t Want to Live Without…Simple Machines

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Simple machines are around us all the time and we use them every day. You might not even think of them as machines. Many are built into complex (compound) machines – but the simple machine is still in there, doing its job. Learn about how simple machines enable practically everything around us to work, allowing us to travel in wheeled vehicles, lift very heavy objects, fix things together and break things apart.
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ISBN: 9781912537082