Slot weight is useful to investigate effect of weight as a force. It can be use with the spring scale or simply as a normal mass. The hook-base + 9 slot weight make a whole set. For example, a 100g set consist of the hook-base which is 10g and 9 pieces of 10g
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Tags: Mass, weight, iron, mass, force, slot, spring, scale, balance, weights, hook, calibration, weighing,