一弹簧秤两端连接两物体,两物体同时分别用5N和7N的力向两端拉弹簧秤,请问弹簧秤读数的大小?问题如上、若水两力相等呢?
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![一弹簧秤两端连接两物体,两物体同时分别用5N和7N的力向两端拉弹簧秤,请问弹簧秤读数的大小?问题如上、若水两力相等呢?](/uploads/image/z/3045533-5-3.jpg?t=%E4%B8%80%E5%BC%B9%E7%B0%A7%E7%A7%A4%E4%B8%A4%E7%AB%AF%E8%BF%9E%E6%8E%A5%E4%B8%A4%E7%89%A9%E4%BD%93%2C%E4%B8%A4%E7%89%A9%E4%BD%93%E5%90%8C%E6%97%B6%E5%88%86%E5%88%AB%E7%94%A85N%E5%92%8C7N%E7%9A%84%E5%8A%9B%E5%90%91%E4%B8%A4%E7%AB%AF%E6%8B%89%E5%BC%B9%E7%B0%A7%E7%A7%A4%2C%E8%AF%B7%E9%97%AE%E5%BC%B9%E7%B0%A7%E7%A7%A4%E8%AF%BB%E6%95%B0%E7%9A%84%E5%A4%A7%E5%B0%8F%3F%E9%97%AE%E9%A2%98%E5%A6%82%E4%B8%8A%E3%80%81%E8%8B%A5%E6%B0%B4%E4%B8%A4%E5%8A%9B%E7%9B%B8%E7%AD%89%E5%91%A2%3F)
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