A spring balance gives erroneous readings if it is used frequently over a long period of time. Explain.

A spring balance gives erroneous readings if it is used frequently ove

1.	A spring balance gives erroneous readings if it is used frequently over a long period of time. Explain.
Answer» Solution :On USING a spring BALANCE frequently over a long period of time, its elastic property degrades and it deforms permanently. As a result, the elongation of the spring is more than the elongation it should suffer for a given load SUSPENDED at it free end. So, we GET a WRONG reading.