When a body slides down an inclined plane with coefficient of friction as μ_k, then its acceleration is given by

• A

  g(μ_k sin$\theta$+ cos$\theta$ )

• B

  g(μ_k sin$\theta$ – cos$\theta$ )

• C

  g(sin$\theta$ + μ_k cos$\theta$ )

• D

  g(sin$\theta$ – μ_k cos$\theta$)