Three separate experiments use an identical light rod pivoted at its center

PHYSICS · Subjective · A Level · Physics · Engineering physics · Engineering physics

Problem

Three separate experiments use an identical light rod pivoted at its center. In each case a single

10\,\text{N}

force is applied for a brief instant: • Experiment A: force at

0.50\,\text{m}

from the pivot, perpendicular to the rod. • Experiment B: force at

0.25\,\text{m}

from the pivot, perpendicular to the rod. • Experiment C: force at

0.50\,\text{m}

from the pivot, acting

30^{\circ}

from perpendicular. Rank the experiments by the magnitude of the resulting angular acceleration (largest to smallest).