Tensegrity Explained
There is a new internet trend called "tensegrity" - an amalgamation of the words tension and integrity. It is basically a trend of videos showing how objects appear to float above...
April 2022
Unequal masses attached to rod in free fall
Came across a question recently that many students answered incorrectly. Close to the surface of the Earth the gravitational field strength is uniform. A pair of unequal masses...
Purpose of Fuse and Earth Wire
https://www.geogebra.org/m/pmatpapk This applet highlights the parts of a circuit that becomes live depending on the state of a switch and the type of electrical fault in a...
Internal Resistance and Terminal Potential Difference
https://www.geogebra.org/m/puvfjxk5 This applet demonstrates how terminal potential difference (as measured by the voltmeter across the terminals of the battery) changes depending...