Forces on a ladder on a wall
A ladder rests on rough ground and leans against a rough wall. Its weight W acts through the centre of gravity G . Forces also act on the ladder at P and Q . These forces are P...
Loom
Using Loom and GeoGebra to explain a tutorial question
It's Day 1 of the full home-based learning month in Singapore! As teachers all over Singapore scramble to understand the use of the myriad EdTech tools, I have finally come to...