A particle is acted upon by three forces and

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

Problem

A particle is acted upon by three forces

\vec F_1,\,\vec F_2

and

\vec F_3

. For the particle to remain in translational equilibrium, which one of the following conditions must hold? (a)

\vec F_1+\vec F_2=\vec F_3

(b)

|\vec F_1|=|\vec F_2|=|\vec F_3|

(c)

\vec F_1+\vec F_2+\vec F_3=\mathbf 0

(d)

\vec F_1\times (\vec F_2+\vec F_3)=\mathbf 0