We are given : f1 = (7.4, 4.0) and f2 = (-7.4, -6.2).
Where each first coordinate is x-component and second coordinate is y-component of force in newtons.
So, for f1, we have x-component = 7.4 newtons and y-component = 4.0 and
for f2, we have x-component = -7.4 newtons and y-component = -6.2.
In order to find exact x-component of f1 + f2, we just need to add those x-component of f1 + f2.
On adding
x-component of f1 + x-component f2, we get
7.4 +(-7.4) = 7.4 -7.4 = 0.
So, final answer is the exact x-component of f1 + f2 is 0 newton.
