A sperical ball of mass $m=5\,kg$ rests between two planes which make angles of $30^{\circ}$ and $45^{\circ}$ respectively with the horizontal. The system is in equilibrium. Find the normal forces exerted on the ball by each of the planes. The planes are smooth.
816-929

  • A
    $N _{30}=96.59\,N , \quad N _{45}=136.6\,N$
  • B
    $N _{45}=136.6\,N , \quad N _{30}=96.56\,N$
  • C
    $N _{45}=96.59\,N , \quad N _{30}=136.6\,N$
  • D
    none of these

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