A

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Q. The work done in sliding a block of weight of 50 kg up a plane inclined at an angle of 30o to the horizontal so that the block is lifted through 1 m

  • (A) More than 50 kgm
  • (B) 50 kgm
  • (C) Less than 5 kgm
  • (D) 15 kgm only

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