def construct(self):
    eq1 = TextMobject('$\\vec{X}_0 \\cdot \\vec{Y}_1 = 3$')
    eq1.shift((2 * UP))
    eq2 = TexMobject('\\vec{F}_{net} = \\sum_i \\vec{F}_i')
    eq2.shift((2 * DOWN))
    self.play(Write(eq1))
    self.play(Write(eq2))
def construct(self):
    eq1 = TextMobject('$\\vec{X}_0 \\cdot \\vec{Y}_1 = 3$')
    eq1.shift((2 * UP))
    eq2 = TexMobject('\\vec{F}_{net} = \\sum_i \\vec{F}_i')
    eq2.shift((2 * DOWN))
    self.play(Write(eq1))
    self.play(Write(eq2))