纵观近几年的中考试题,笔者发现关于使用托盘天平测量物体质量时所读取的值偏大还是偏小的题型常在中考题中出现,有的同学在解答此类问题时常常会出现这样那样的失误,造成不必要的丢分.本文将此类题型做一总结分析,望能给同学们的学习带来帮助.例1小明做“用托盘天平测物体质量”实验时,忘记将天平调平,指针偏向分度盘左侧就直接称量物体质量,最后将使 Throughout the senior high school entrance examination questions in recent years, I found that the use of pallet scales to measure the quality of objects read the value is too large or small questions often appear in the exam, and some students to answer such questions often Such a mistake occurred, resulting in unnecessary drop points.This article will do a summary analysis of such questions, hope to help students learn.Example 1 Xiaoming do “using tray balance to measure the object mass ” experiment , Forget to balance the balance, the pointer bias the left side of the dial directly weigh the mass of the object, and finally will make