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将杆秤经过适当的改造之后,不但能称物体的质量。还可以测量液体的密度.下面,举两例说明怎样用杆秤测密度.例1小亮利用轻质木条和透明塑料桶等器材制作了如图1所示的测量密度的杆秤.只要把一定体积的待测液体倒
After proper modification of the steelyard, not only the quality of the object can be said. Can also measure the density of the liquid. Here are two examples of how to measure the density using a rod scale. Example 1 Xiao Liang uses a lightweight wooden bar and transparent plastic barrels and other equipment to make a measuring scale as shown in Figure 1. As long as the certain The volume of the test liquid is poured