physics
posted by Anonymous .
Three lead balls of mass m1= 13kg, m2= 26kg, and m3= 9.6kg are arranged as shown in the figure below. Find the total gravitational force exerted by balls 1 and 2 on ball 3. Be sure to give the magnitude and the direction of this force

physics 
drwls
There is no "figure below" .
It needs to be provided.
Compute the two separate forces on ball 3.
Then compute their vector sum.
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