The formula mg = kx describes a spring that is stretched by hanging an object on it. The constant k is called the spring constant. What are its units? A) s/m kg B) N m C) m s²/kg D) kg s² E) kg/s²

Question

Quizplus · Accepted Answer

The spring constant k has units of force per unit length. Since force (mg) is in newtons (N) and x is in meters (m), k has units of N/m, which is equivalent to kg/s².

The Formula Mg = Kx Describes a Spring That Is