In the adjacent figure, pulley 'A' is fi...

In the adjacent figure, pulley 'A' is fixed and 'B' is movable. The strings are massless, masses of pulleys can be neglected and friction between the strings and pulley also can be neglected,

The acceleration of the masses 4 m and 'm' are _and _respectively.

g/5 downwards, 3g/5 upwards.

3g/5 downwards, g/5 upwards.

8g/5 downwards, 4g/5 upwards.

g downwards, g upwards.

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In the adjacent figure, pulley 'A' is fixed and 'B' is movable. The strings are massless, masses of pulleys can be neglected and friction between the strings and pulley also can be neglected, The acceleration of the masses 4 m and 'm' are _____and _____respectively.