[رحيـق]

1- Two forces F1 and F2 act on a 5.00-kg object. If F1 = 20.0 N and
F2 =15.0 N, find the accelerations in (a) and (b) in this Figure.

2- A 1.00-kg object is observed to have an acceleration of 10.0 m/s2 in a direction 30.0° north of east (Fig.2). The force F2 acting on the object has a magnitude of 5.00 N and is directed north. Determine the magnitude and direction of the force F1 acting on the object.

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