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De Sá Teixeira, Nuno Alexandre; Oliveira, Armando Mónica; Silva, Ana Duarte – Psicologica: International Journal of Methodology and Experimental Psychology, 2014
Newton's cradle, a device consisting of a chain of steel balls suspended in alignment, has been used extensively in physics teaching to demonstrate the principles of conservation of momentum and kinetic energy in elastic collisions. The apparent simplicity of the device allows one to test commonly hold views regarding the intuitive understanding…
Descriptors: Science Instruction, Physics, Scientific Principles, Motion