A simple plane pendulum is a pendulum that consists of a point mass m at the end of a string of length L of negligible mass (Fig. \PageIndex1). where θ0 is the (angular) ampl...A simple plane pendulum is a pendulum that consists of a point mass m at the end of a string of length L of negligible mass (Fig. \PageIndex1). where θ0 is the (angular) amplitude of the motion (in radians), ω=√g/L is the angular frequency of the motion (rad/s), and δ is an arbitrary integration constant (seconds).
