Two blocks,each having mass $M$,rest on frictionless surfaces as shown in the figure. If the pulleys are light and frictionless,and $M$ on the incline is allowed to move down,then the tension in the string will be

  • A
    $\frac{2}{3} M g \sin \theta$
  • B
    $\frac{3}{2} M g \sin \theta$
  • C
    $\frac{M g \sin \theta}{2}$
  • D
    $2 M g \sin \theta$

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