How to find the least count of a spring balance?

Hi,

Least count of a measuring instrument is the least value of physical quantity that can be measured accurately using the instrument.
For example,
Take a spring balance whose range is 0-25kg. In this scale, you can see that the 1kg is divided into 10 equal parts. Therefore, the least value it can measure is 100g which can be found out by,
Measurement=1kg
Number of divisions=10
Least count=1/10 =0.1kg or 100g
Hence 100g is the least count of this instrument.
In the similar way you can find the least count of different spring balances of different range.

Hope, it helps both of you.
Best wishes!!

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