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A block of mass 4 kg is placed on a rough horizontal plane. A time dependent force F=Kt2  acts on a block, when k equals 2 straight N divided by straight s squared of friction between the block and the plane at t=2s is.....

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  1. 32 N
  2. 4 N
  3. 2 NT
  4. 8 N

    Answer:The correct answer is: 8 N

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