Circular Motion: Create an equation that equals to v^2 using r (radius), m (spinning mass), and Fc, where Fc and spinning mass are constant and the radius is varied. For example, when the radius and spinning mass is fixed, and Fc is varied, the equation is v^2=(r/m)Fc When the radius and Fc are fixed, and the spinning mass is varied, the equation is v^2=(Fc•r)1/m Circular Motion: Create an equation that equals to v^2 using r (radius), m (spinning mass), and Fc, where Fc and spinning mass are constant and the radius is varied. For example, when the radius and spinning mass is fixed, and Fc is varied, the equation is v^2=(r/m)Fc When the radius and Fc are fixed, and the spinning mass is varied, the equation is v^2=(Fc•r)1/m Circular Motion: For example, when the radius and spinning mass is fixed, and Fc is varied, the equation is v^2=(r/m)Fc When the radius and Fc are fixed, and the spinning mass is varied, the equation is v^2=(Fc•r)1/m Solution v^2=(Fc/m).r Here radius is variable so it is kept out of bracket as we can see from examples that fixed units are within bracket and variable units are outside bracket .