A block attached to a horizontal spring is momentarily at rest at a displacement from…

PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

A block attached to a horizontal spring is momentarily at rest at a displacement

x=+0.05\,\text{m}

from its mean position. Specify the direction of the net force acting on the block at this instant and justify your answer in one sentence.