Two identical blocks each of mass "M" are tied to the ends of a str...

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Two identical blocks each of mass "M" are tied to the ends of a string and the string is laid over a smooth
P fixed pulley. Initially the masses are held at rest at the

W same level. What fraction of mass must be removed from one block and added to the other, so that it has an acceleration of \( 1 / 5 \) th of the acceleration due to gravity?
(1) \( 1 / 10 \)
(2) \( 1 / 5 \)
(3) \( 2 / 5 \)
(4) \( 1 / 20 \)
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