APFIVE Vector Sum of Collinear Forces
Two collinear forces, F₁ and F₂, act on an object. The force F₁ is 15 N directed to the right, and the force F₂ is 23 N directed to the left. The resulting net force is 8 N to the left. Assuming the direction to the right is defined as positive, which equation correctly represents the vector sum of the forces?
A
F₁ + F₂ = +8 N
B
F₁ + F₂ = -8 N
C
|F₁| + |F₂| = 8 N
D
F₁ - F₂ = -8 N
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