Machines
Science, Book 4
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Narrated by:
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John Kostohryz
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By:
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Rich Linville
Machines can make our life easier. A simple machine is something that can change the direction or strength of a force. All complicated machines are made of one or more simple machines. Simple machines can reduce the effort needed for you to run them. See if you can find the simple machines around you.
©2025 Rich Linville (P)2025 Rich Linville
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