A block attached to an ideal horizontal spring oscillates along the -axis

PHYSICS · Single correct · CBSE · Physics · Oscillations · Oscillations

Problem

A block attached to an ideal horizontal spring oscillates along the xx-axis. The positive xx-direction is defined to the right, and the equilibrium position is at x=0x = 0. When the block passes the point x=+0.05 mx = +0.05\,\text{m} moving toward the left, which of the following correctly lists the instantaneous directions of its displacement, velocity, and net spring force, respectively? (a) Displacement: right; Velocity: right; Net force: left\text{Displacement: right};\ \text{Velocity: right};\ \text{Net force: left} (b) Displacement: right; Velocity: left; Net force: left\text{Displacement: right};\ \text{Velocity: left};\ \text{Net force: left} (c) Displacement: right; Velocity: left; Net force: right\text{Displacement: right};\ \text{Velocity: left};\ \text{Net force: right} (d) Displacement: left; Velocity: left; Net force: right\text{Displacement: left};\ \text{Velocity: left};\ \text{Net force: right}

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