Explain why, for a particle acted upon by several coplanar forces, the conditions and…

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics

Problem

Explain why, for a particle acted upon by several coplanar forces, the conditions

\sum F_x = 0

and

\sum F_y = 0

are sufficient to conclude that the particle is in complete mechanical equilibrium.