A parcel on a loading dock experiences three horizontal forces: due east

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

Problem

3\,\text{kg}

parcel on a loading dock experiences three horizontal forces:

12\,\text{N}

due east,

16\,\text{N}

due south, and

9\,\text{N}

due west. Which of the following gives both the magnitude of the parcel’s acceleration and its direction measured south of east? (a)

5.4\,\text{m/s}^2

11^{\circ}

south of east (b)

8.8\,\text{m/s}^2

37^{\circ}

south of east (c)

5.4\,\text{m/s}^2

79^{\circ}

south of east (d)

1.8\,\text{m/s}^2

79^{\circ}

south of east