General analysis of equilibrium of rigid bodies in two dimensions.

Conditions for the equilibrium of a rigid body under the action of co-planar forces.

Conditions

Determining forces and reactions at contacts and supports for a rigid body under the action of co-planar forces - in order to produce its free-body diagram.

Forces and reactions (1)

Forces and reactions (2)

Forces and reactions (3)

When are structures statically determinate, statically indeterminate, partially-constrained, etc.?

Static determinacy

Worked examples on the equilibrium of rigid bodies under the action of co-planar forces.

Worked examples (1)

More worked examples on the equilibrium of rigid bodies under the action of co-planar forces.

Worked examples (3)

Worked examples (2)

Worked examples (4)

Equilibrium in Two Dimensions (1)

Analysis of special cases of equilibrium of rigid bodies in two dimensions - equilibrium under the action of only two or three forces.

Worked examples on the condition for the equilibrium of a rigid body under the action of only two or three co-planar forces.

A simplified condition for the equilibrium of a rigid body under the action of only two co-planar forces.

Two-force body

A simplified condition for the equilibrium of a rigid body under the action of only three co-planar forces.

Three-force body

More worked examples on the condition for the equilibrium of a rigid body under the action of only two or three co-planar forces.

Worked examples (5)

Equilibrium in Two Dimensions (2)

Analysis of equilibrium of rigid bodies in three dimensions.

Conditions for the equilibrium of a rigid body under the action of forces in space.

Determining forces and reactions on a rigid body under the action of forces in space - in order to produce its free-body diagram.

Worked examples on the equilibrium of a rigid body under the action of forces in space.

More worked examples on the equilibrium of a rigid body under the action of forces in space.

Equilibrium in Three Dimensions

Analysis of equilibrium of rigid bodies in two and three dimensions, and an introduction to statically-indeterminate reactions.

Tutorials for undergraduates in engineering and physical sciences.

Equilibrium of Rigid Bodies - Engineering Mechanics (Statics)

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