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Series of video programmes on topics in mathematics. Each programme includes and event, a question and a solution. 1: A parachutist descends. A force decelerates the body (the parachute) while a force tries...
Uses examples from fun parks, circuses and stunts to show potential and kinetic energy (rollercoasters, trapeze artists, slides); work = force x distance (trapeze artist falls into safety net); vectors...
Discusses the usefulness of the mental device of putting one’s mind’s eye outside the immediate environment so as to ‘look in’ on it. Introduces the idea by comparing the swing of a pendulum viewed...
Illustrates the phenomena of forced vibration and resonance and shows the presence of a transient vibration during the early stages of the motion. The ‘beats’ phenomenon is also mentioned and shown.
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