Wrench and bolt: torque from force, lever arm, and angle
Applied force, Lever length, Force angle from the wrench
OpenEngineering lab
Open a model on its own, outside a lesson. Each one lists its equations, assumptions and limits.
Rotating shaft: power from torque and speed
Shaft torque, Rotational speed
OpenPlanned, not yet available: pump and system curves, beam bending, gear trains, Reynolds-number flow regimes, 3D assemblies.