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Homework Help: Gravitational force

  1. Apr 13, 2010 #1
    Fig1 shows an arrangement of five particles with masses M1 = 10.0 Kg, M2=M3=M4=M5=2.5 Kg and with r = 4 cm. For what angle (in degrees) of the net gravitational force F on particle 1 due to other particles cancels out.
    a)30 b) 45 c) 90 d) 0

    (figure is given in the attachment)
     

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  3. Apr 13, 2010 #2

    Doc Al

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    Staff: Mentor

    Well, what do you think? Hint: Can you simplify the diagram at all?
     
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