Common Misconceptions:
Source:http://www.healthkicker.com/699947893/9-real-facts-about-common-health-misconceptions
1) Pondulum motion is simple harmonic motion.
2) Elastic potential of spring system is depended on the mass of the connected object to the spring.
3) Pendullium motion is a perpetual motion.
4) we can create mechanics perpetuate motions.
References:
1) Teacher resource Nelson Physics 12 university preparation , ERC York university Library, TEL Building.