Other kinds
of scales are the ones that had a spring inside or a lever inside. Weight to
the physics are strength, so the coil would stretchy or shrunk had a indicator
that show in a graduate bar or disk the weight. The bar also had a graduate bar
that if the scale is a small one the scale will dislocate in the bar and if is
big one weight will be slide in the graduate bar, and when you put the weight
the balance get out of the balance and you try to find the balance walking the
scale or the weight, so this one had also a weight.
Rute
Bezerra de Menezes Gondim
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