Question

observations table of helical spring practical​

Answer 1

Answer:

❥❥Aim

To find the force constant of a helical spring by plotting a graph between load and extension.

Apparatus

Spring, a rigid support, a 50 g or 20 g hanger, six 50 g or 20 g slotted weights, a vertical wooden scale, a fine pointer, a hook.

Theory

When a load F suspended from lower free end of a spring hanging from a rigid support, increases its length by amount l,

to-find-the-force-constant-of-a-helical-spring-by-plotting-a-graph-between-load-and-extension-1

It is called the force constant or the spring constant of the spring,

From above if l = 1, F = K.

Hence, force constant (or spring constant) of a spring may be defined as the force required to produce unit extension in the spring.