当用力拉弹簧健身器时,开始不怎么费力,随着健身器的拉长越来越费,这是为什么?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 14:41:06
![当用力拉弹簧健身器时,开始不怎么费力,随着健身器的拉长越来越费,这是为什么?](/uploads/image/z/11111185-1-5.jpg?t=%E5%BD%93%E7%94%A8%E5%8A%9B%E6%8B%89%E5%BC%B9%E7%B0%A7%E5%81%A5%E8%BA%AB%E5%99%A8%E6%97%B6%2C%E5%BC%80%E5%A7%8B%E4%B8%8D%E6%80%8E%E4%B9%88%E8%B4%B9%E5%8A%9B%2C%E9%9A%8F%E7%9D%80%E5%81%A5%E8%BA%AB%E5%99%A8%E7%9A%84%E6%8B%89%E9%95%BF%E8%B6%8A%E6%9D%A5%E8%B6%8A%E8%B4%B9%2C%E8%BF%99%E6%98%AF%E4%B8%BA%E4%BB%80%E4%B9%88%3F)
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