Q. A plane is inclinea at angle ? to horizontal. If a body can just rest on a plane, determine the least force to draw the body up the plance

  • (A) W sin2?
  • (B) 660 m
  • (C) 165 m
  • (D) 66.2 m
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βœ… Correct Answer: (D) 66.2 m

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