How Do You Use A Balance Scale?
A balance scale is an instrument used to measure the weight of objects by comparing their weights to a set of known weights. Lady Justice, a symbol of an impartial legal system since Ancient Rome, is seen holding a balance scale, on which she is said to weigh the merits of both sides of the case. The sliding scales common in doctors’ offices are also a form of balance scales. Place the object to be weighed on a pan on one side of the scale. Add objects with known weights to the pan on the other side of the scale until the beam connecting the pans is level. The pans may be mounted on the beam on the beam or they may hang from the beam. Either way, the beam should become level. Calculate the weight of all the objects that were added to the second pan. That value is the weight of the object in the first pan. Place the object to be weighed on the pad or pan, depending on the type of scale. Some sliding balance scales are used to determine a person’s weight and are designed so that a person