Question

Length of spring is 8cm when mass is 4kg is hang on it its become 16cm what is its spring constant?

Answer 1

constant is 500 N/m

Step-by-step explanation:

Extension, e = (16 - 8) = 8 cm

Force, F = (4 × 10) = 40 N

from hooke's law:

`F = kx \\ 40 = (k * 0.08) \\ k = (40)/(0.08) \\ \\ k = 500 \: newton \: per \: metre`