Homework Help Forum: Physics

Posted by Anonymous on Tuesday, November 3, 2009 at 9:10pm.

Four 7.5 kg spheres are located at the corners of a square of side 0.74 m. Calculate the magnitude and direction of the gravitational force on one sphere due to the other three.

• Physics - bobpursley, Tuesday, November 3, 2009 at 9:18pm

  Use symettry. YOu know the force will be diagonal. the side components will be 2G*m^2/.74^2 Cos45 and the diagonal will be G*m^2/(.74*1.414)^2 add

  
  

• Physics - Anonymous, Tuesday, November 3, 2009 at 9:37pm

  i got 1.71E-8 and that was wrong and then i got 1.03E-8 and it was still wrong

  
  

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