For a position vectord=(-7.1i+-0.1j)m,determine the x-component of the unit vector.
For a position vectord=(-7.1i+-0.1j)m,determine the y-component of the unit vector.
The direction of a 454.7 lb force is defined by the unit vectoru1=cos(30°)i+sin(30°)j.Determine the x-component of the force vector.