The minimum force required to start pushing a body up a rough (frictional coefficient $\mathrm{\mu }$ ) inclined plane is F₁ while the minimum force needed to prevent it from sliding down is F₂ . If the inclined plane makes an angle $\mathrm{\theta }$ with the horizontal such that $\tan \mathrm{\theta }=2\mathrm{\mu },$ then the ratio $\frac{{\mathrm{F}}_1}{{\mathrm{F}}_2}$ is

• A

  4

• B

  1

• C

  2

• D

  3