Posted by Luke on Sunday, September 13, 2009 at 10:08pm.
The net force is -4.78i +5.22j. Its magnitude is
{F} = sqrt[(-4.78)^2 + 5.22^2] = 7.08 N. The mass is therefore
|F|/a = 3.13 kg
For the acceleration vector, divide the force vector by the mass.
thanks a lot. that really helped.
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