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CBSE - IX - Physics

what is least count of spring balance? sir pls give some few information about spring balance. like what is zero balance? how to use spring balance? 
bcs sir, my teacher said there is a very tricky question related to spring balance which is very hard, is come in our exam paper

Asked by Kanhaiya 14th September 2015, 6:48 PM
Answered by Expert


Hi Kanhaiya,

A spring balance is a device used to measure the weight of an object.

A standard spring balance could be found with a scrap dealer who usually measures the weight of the newspaper or any other scrap.

Its least count is generally around 1 kg or 0.5 kg depending on the balance.

When no weight is added on the balance, the reading that it shows is called the zero error or zero balance.

To use a balance place some weight on the hook of the balance and observe the reading on the scale.

If initially the zero error was 1 kg, then whatever you measure will be more by 1 kg. So, subtract that from your observed value.

Answered by Expert 14th September 2015, 7:07 PM

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