1) Moving clock parts 2) Parts of metronomes 
• (pl. ) of Pendulum
There are a number of different forms of pendulum. The main characteristic being that when the mass is displaced from it's position of rest it will oscillate at a fixed frequency.function init(){function init(){ document.pndlm1.g1.value=9.81; document.pndlm2.g2.value=9.81;}init();}Simple PendulumAs used in the simplest mechanical clock designs.wher...