William Haynes

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

Determine the reactions supporting a cantilever beam carrying concentrated forces and moments.

Homework set.  Problems involving two interacting particles.

Homework set.  Variations on problems involving single particle equilibrium.

Homework set.  Vector addition in two dimensions by summing scalar components.

Homework set.  Determine the moment of a force using the definition of the moment, $M = F d_\perp$.

Replace three tangential forces with an equivalent force-couple system acting at the center of a circle.

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

Homework set.  Find statically equivalent systems of forces.

Homework set.  Rigid body equilibrium solved using the three-force body principle.

Homework set.  Find reactions for various 2-D rigid bodies in equilibrium.

Homework set.  Find reactions for various 2-D rigid bodies in equilibrium.

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

Homework set.  Calculate resultant moment of one or more couples. 

Homework set.  Find components of vectors in various situations.

Homework Set.  Three problems to brush up on trig skills.  Right triangles and sine and cosine law.

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

Add three vectors by determining their scalar components, summing them and then resolving the rectangular components to find the magnitude and direction of the resultant.

Calculate the moment of a force about three points using Verignon' theorem.  All forces and points are in the same plane.

Find the sum of two couples in a plane.

Find the moment of a couple formed by two equal and opposite forces.

Equilibrium of two interacting particles.

Given a point and a line, determine the distance between them.

Solve a random oblique triangle for sides and angles.

Rigid body equilibrium problem.  Easiest to solve by replacing forces on the perimiter of the pulley with equivalent forces at the axle.

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

Find the force required to balance a see-saw.

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

Determine the moment of a force about a point by using $M= F d_\perp$ or $M = F_\perp d$.