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Two blocks A and B of respective masses ...

Two blocks A and B of respective masses 6 kg and 4 kg are connected with a string passing over a light friction less pulley as shown in the figure . The coefficient of friction between the block A and horizontal surface is 0.4 . Then the minimum mass of block C which should be placed over A to prevent it from moving is `:`

A

2kg

B

4 kg

C

5 kg

D

10 kg

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