PHYSICS ENTELLOQ / AN INTERACTIVE LABORATORY
Understand the universe by changing it.
Explore orbits, elastic strings, waves and connected physics concepts. The interactive experiments need JavaScript enabled in your browser.
One model to start with
A cord stretched by ΔL carries tension T = EA × ΔL / L. A loose cord carries no compressive force. When you move two supports apart, the rope becomes shallower and needs more tension to hold the same weight.
Our cradle is a planar elastic-string approximation, not a simulation of real knots.
Read about the constraint method