A body executes simple harmonic motion. The potential energy (P.8.), the kinetic energy (K.E.) and total energy (T.E.) are measured as a function of
displacement x. Which one of the following statements is true ?

• A

   PE. is maximum when x=0

• B

   K.E. is maximum when x=0

• C

   T.E. is zero when x =0
   

• D

   K.E. is maximum when x is maximum