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Play with one or two pendulums and discover how the period of a simple pendulum depends on the length of the string, the mass of the pendulum bob, the strength of gravity, and the amplitude of the swing. Observe the energy in the system in real-time, and vary the amount of friction.
Discover the principles of pendulum motion with interactive simulations and design your own experiments on PhET's Pendulum Lab.
Explore the physics of pendulums by adjusting string length, mass, gravity, and friction in this interactive simulation.
Explore pendulum physics by adjusting length, mass, gravity, and friction in this interactive simulation.
New HTML5 Version. This simulation has been converted to HTML5! The legacy version of this sim is no longer supported. Take me to the HTML5 version! Continue to the legacy version. Attempt to view the simulation anyways.
Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education <a {{0}}>research</a> and engage students through an intuitive, game-like environment where students learn through exploration and discovery.
Hang masses from springs and discover how they stretch and oscillate. Compare two mass-spring systems, and experiment with spring constant. Transport the lab to different planets, slow down time, and observe the velocity and acceleration throughout the oscillation.
Pendulum Lab - PhET Interactive Simulations
Explore the physics of pendulums with PhET's interactive simulation, adjusting various parameters to observe their effects.
A realistic mass and spring laboratory. Hang masses from springs and adjust the spring stiffness and damping. You can even slow time. Transport the lab to different planets. A chart shows the kinetic, potential, and thermal energy for each spring.
