These are some online resources that show promise. We have not yet vetted these. Once reviewed, they will go in their respective subject pages. USE AT YOUR OWN RISK! FEEDBACK WELCOME!
Light and elastic / plastic collisions:
The Radiation Pressure of Light from the Wolfram Demonstrations Project by Sándor Kabai
Gyroscope
Gyroscope from the Wolfram Demonstrations Project by Sándor Kabai
pulley with mass
Atwood’s Machine with Rotational Inertia from the Wolfram Demonstrations Project by Aaron King
U-joint
Universal Joint from the Wolfram Demonstrations Project by Sándor Kabai
load on a pivoting beam, supported by a cable (Statics)
Standing on a Beam Supported by a Cable from the Wolfram Demonstrations Project by Enrique Zeleny
Changing coefficient of thermal expansion demo– oil and metal
Estimating the Contraction of a Cooled Cylinder Assuming a Constant Coefficient of Thermal Expansion from the Wolfram Demonstrations Project by Vincent Shatlock
Statics and mechanics internal beam forces
Internal Force Calculation for a Continuous Beam from the Wolfram Demonstrations Project by Junlin Zhang
Poisson’s ration
Normal and Shear Coupling for Unidirectional Angle Ply from the Wolfram Demonstrations Project by Sara McCaslin
steady state temp profile pipe
Steady-State Temperature Profile of Two-Layer Pipe from the Wolfram Demonstrations Project by Fredericka Brown
Various beam loading conditions
Analysis of a Single-Span Euler-Bernoulli Beam under Different Loading Conditions from the Wolfram Demonstrations Project by Nasser M. Abbasi
Mohr circle
Mohr’s Circle from the Wolfram Demonstrations Project by Stefano Vidoli
Various bridge types
Bridge Varieties from the Wolfram Demonstrations Project by Todd Rowland
crank vs scotch yoke
Comparing Simple Crank/Slider and Scotch Yoke Mechanisms from the Wolfram Demonstrations Project by Fred Klingener
Torsion spring
Torsional Pendulums from the Wolfram Demonstrations Project by Ernest Lee