1.求证:天平平衡时,指针停点偏离标牌中央刻线的角α(在标尺刻线以内)跟两盘中所放物体、砝码的质量差△m成正比.2.在用复称法测量物体的质量中,把物体放在左盘,砝码放在右盘,测得的
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![1.求证:天平平衡时,指针停点偏离标牌中央刻线的角α(在标尺刻线以内)跟两盘中所放物体、砝码的质量差△m成正比.2.在用复称法测量物体的质量中,把物体放在左盘,砝码放在右盘,测得的](/uploads/image/z/1268732-20-2.jpg?t=1.%E6%B1%82%E8%AF%81%EF%BC%9A%E5%A4%A9%E5%B9%B3%E5%B9%B3%E8%A1%A1%E6%97%B6%2C%E6%8C%87%E9%92%88%E5%81%9C%E7%82%B9%E5%81%8F%E7%A6%BB%E6%A0%87%E7%89%8C%E4%B8%AD%E5%A4%AE%E5%88%BB%E7%BA%BF%E7%9A%84%E8%A7%92%CE%B1%EF%BC%88%E5%9C%A8%E6%A0%87%E5%B0%BA%E5%88%BB%E7%BA%BF%E4%BB%A5%E5%86%85%EF%BC%89%E8%B7%9F%E4%B8%A4%E7%9B%98%E4%B8%AD%E6%89%80%E6%94%BE%E7%89%A9%E4%BD%93%E3%80%81%E7%A0%9D%E7%A0%81%E7%9A%84%E8%B4%A8%E9%87%8F%E5%B7%AE%E2%96%B3m%E6%88%90%E6%AD%A3%E6%AF%94.2.%E5%9C%A8%E7%94%A8%E5%A4%8D%E7%A7%B0%E6%B3%95%E6%B5%8B%E9%87%8F%E7%89%A9%E4%BD%93%E7%9A%84%E8%B4%A8%E9%87%8F%E4%B8%AD%2C%E6%8A%8A%E7%89%A9%E4%BD%93%E6%94%BE%E5%9C%A8%E5%B7%A6%E7%9B%98%2C%E7%A0%9D%E7%A0%81%E6%94%BE%E5%9C%A8%E5%8F%B3%E7%9B%98%2C%E6%B5%8B%E5%BE%97%E7%9A%84)
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