Material Adicional
http://www.youtube.com/watch?v=YFoEAx-Xgh8&feature=related
http://www.youtube.com/watch?v=JwFn78-WgFQ&feature=watch_response
http://www.youtube.com/watch?v=8CQqIF7AWKk&feature=watch_response
Resonancia y movimiento armonico forzado:
http://www.youtube.com/watch?v=9HQN6dl2oHg&NR=1
http://www.youtube.com/watch?v=lUsrEUdjF48&feature=related
http://www.youtube.com/watch?v=0NmhgkpK9n4&feature=related
Tension superficial