A body of mass 1/4 kg is in SHM and its displacement is given by the relation $\mathrm{x}=0.05Sin\left(20\mathrm{t}+\frac{\mathrm{\pi }}{2}\right)\mathrm{m}$. If t is in seconds, the maximum force acting on the particle is

• A

  5N

• B

  2.5N

• C

  10N

• D

  0.25N