Hook's Law: the extension of a piece of wire is directly proportional to the applied force providing the limit of proportionality is not exceeded.
胡克定律：只要施与一段金属线的力不超过其比例极限，那么该经书线的伸长量与所施力成正比。
Hook's Law: the extension of a piece of wire is directly proportional to the applied force providing the limit of proportionality is not exceeded.
胡克定律：只要施与一段金属线的力不超过其比例极限，那么该经书线的伸长量与所施力成正比。
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