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As shown in figure, the block of 2 kg at one end and the other of  3 kg at the other end of a light string are connected. It the system remains stationary find the magnitude and direction of the frictional force,(g=10ms2)

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  1. 20 N, downward on slope
  2. 20 N, upward on slope
  3. 10 N, Downward an slope
  4. 10 N, upward on slope

    Answer:The correct answer is: 20 N, downward on slope

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