Forces and Motion explores gravity, friction, centrifugal force, and the underlying laws of physics that help machines work. Simple machines such as levers and pulleys, floating and sinking, springs, elastic, and flying machines are all investigated in fun, hands-on experiments that make it easy for anyone to become a rocket scientist
發表於2024-11-09
Forces and Motion 2024 pdf epub mobi 電子書 下載
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Forces and Motion 2024 pdf epub mobi 電子書 下載