William Haynes

Homework set.  Identify student errors when drawing free body diagrams.

End of chapter exercises for Engineering Statics: Open and Interactive 

Shows how to switch to the 3D graphics view of a geogebra applet using an extension function.

Calculate the moment of a force about three points using the definition of a Moment.  All forces and points are in the same plane.

Homework set.  Find components of vectors in various situations.

Solve a random oblique triangle for sides and angles.

End of chapter exercises for Engineering Statics: Open and Interactive 

Determine the resultant of three random 2-D vectors.  

Two dimensional particle equilibrium problem.  Advice shows how to use how to use slope triangles to find sines and cosines, rather than finding the angle and using that.

Sum three force vectors based on a written description of the situation.

Find the sum of two 2-dimensional vectors, graphically and exactly using the parallelogram rule.

Find the rectangular (scalar) components of a force for two coordinates systems.

Find the tension in a rope necessary to prevent a bracket from rotating by applying $\Sigma M = 0$.

Find the tension required to hold a pole at a specified angle.

Homework set.  Find 2-D moments or balance moments using Verignon's theorem:  $ M = \pm F_x d_y \pm F_y d_x$

Find reactions for a particle in equilibrium

Homwork Set.  Covers graphical, and trigonometric methods of vector addition.

Homework set.  Calculate Moment of Inertia for I beams, channels, angles, etc.

Shear and bending moment diagrams involving concentrated moments.

Shear and bending moment problems involving distributed loads.

Simply supported Beam with three concentrated loads.

Homeworks 36, 37, 38 and 39 don't resume properly in Numbas LTI, so broken into individual problems.

Developing concepts for shear and bending moment diagrams. 

Homework set.  Find internal shear force, normal force, and bending moment at a designated point in a rigid body.

Homework set.  Frame and machine problems.

Homework set.  More frame and machine problems.

Homework set.  Frame and machine problems.

Homework set.  Trusses solved using the method of sections

Homework set.  Identify zero force members and utilize special loading conditions to simplify trusses.

Homework set. Find the forces in truss members using the method of joints.