Answer :
Final answer:
When using a triple beam balance, the riders are moved in order from right to left: first the smallest mass rider, then the middle rider, and finally the large mass rider. This allows for precision by incrementally increasing the mass being measured against.
Explanation:
In using a triple beam balance, the riders are moved in a specific order to ensure accurate measurement of mass. The operation starts with the rider on the far right - the smallest mass rider - which is fine-tuned to meet the exact weight.
Next, the middle rider (which represents tens of grams) can be moved to get closer to the actual value. Once you are close with these two, the largest mass rider (which represents hundreds of grams) on the left can be moved until balance is achieved.
This method allows precision with the smallest gram rider and effectively uses the principle of known masses on one end of a 'seesaw.' The mass and weight of the object being measured act as though they are located at a single point, similar to how weights are treated on a seesaw.
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