. A spring balance is a simple device consisting of a coiled spring which gets stretched when a
load is hanged at its lower end. Stretching of spring is measured by a pointer moving on a
graduated scale. The reading on scale gives the magnitude of force.
Now a string is tied around a wooden block and is pulled by a spring balance as shown in
figure.(d) If now an additional weight is put on the block what change will you observe in
reading of spring balance? Why?
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