Moments and couples3D
Moment about a 3D axis
Explore force moments, Varignon’s theorem, pure couples, equivalent force-couple systems, and spatial axis moments.
Open the complete lessonEngineering simulation studio
True 3DMoment about a three-dimensional axis
Project the full moment vector onto a freely selected spatial axis.
spatial axisr × Faxis projection
Synchronized view
Orbit freely or snap to an engineering projection.
Preparing spatial engineering model…
Engineering model scope
Category
Moments and couples
Idealization
Forces act on a rigid body and moments follow the displayed right-hand sign convention.
Acceptance check
Compare direct and component moments or project r × F onto the selected axis.