Question: A 10-kg object on a frictionless table is subjected to two horizontal forces, F 1 and F 2 , with magnitudes F 1 = 20

A 10-kg object on a frictionless table is subjected to two horizontal forces, F1 and F2, with magnitudes F1 = 20 N and F2 = 30 N, as shown in Figure. 

(a) Find the acceleration a of the object. 

(b) A third force F3 is applied so that the object is in static equilibrium.

(c) Find F3.

10kg 30

10kg 30

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