Physics - Magnetism Question with Solution | TestHub

zero because $\vec{F}$ acts parallel to $\overrightarrow{\mathrm{v}}$

positive because $\vec{F}$ acts perpendicular to $\overrightarrow{\mathrm{v}}$

zero because $\vec{F}$ acts perpendicular to $\overrightarrow{\mathrm{v}}$

negative because $\vec{F}$ acts parallel to $\overrightarrow{\mathrm{v}}$