A block hangs from a vertical ideal spring

PHYSICS · Subjective · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

0.30\,\text{kg}

block hangs from a vertical ideal spring. While the block is at rest, a

1.2\,\text{N}

downward force is applied in addition to the block’s weight, causing the spring to stretch a total of

0.042\,\text{m}

from its relaxed length. Calculate the spring constant

k