direct weighing
The material to be weighed is put on one pan, with sufficient known weights on the other pan such that the beam will be in equilibrium. it has contain some error .
Indirect weighing (Weighing by difference)
indirect weighing by difference is a way to weigh material accurately . The weight of the material is the difference between the two weights of the beaker before and after you transfer the material from the beaker. its is better method to reduce error comperatively direct weighing.
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