178 results authored by William Haynes - search across all users.
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End of chapter exercises for Engineering Statics: Open and Interactive
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Equilibrium of a particle, solution by rotating coordinate system.
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Calculate the moment of a force about three points using the definition of a Moment. All forces and points are in the same plane.
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Pulley supported by a cable, so the tension in the rope is constant. Advice is a youtube video showing how to solve the problem.
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Find the tensions is a system of cables supporting two loads.
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Find the sum of two 2-dimensional vectors, graphically and exactly using the parallelogram rule.
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Determine the oblique components of a vector.
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Use the parallelogram rule to solve a force triangle.
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Given a point and a line, determine the distance between them.
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Homework Set. Three problems to brush up on trig skills. Right triangles and sine and cosine law.
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End of chapter exercises for Engineering Statics: Open and Interactive
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End of chapter exercises for Engineering Statics: Open and Interactive
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Homework set. Identify student errors when drawing free body diagrams.
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End of chapter exercises for Engineering Statics: Open and Interactive
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Shows how to switch to the 3D graphics view of a geogebra applet using an extension function.
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Homework set. Find components of vectors in various situations.
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Solve a random oblique triangle for sides and angles.
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Determine the resultant of three random 2-D vectors.
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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.
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Sum three force vectors based on a written description of the situation.
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Find the rectangular (scalar) components of a force for two coordinates systems.
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Find the tension in a rope necessary to prevent a bracket from rotating by applying $\Sigma M = 0$.
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Find the tension required to hold a pole at a specified angle.
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Homework set. Find 2-D moments or balance moments using Verignon's theorem: $ M = \pm F_x d_y \pm F_y d_x$
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Find reactions for a particle in equilibrium
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Homwork Set. Covers graphical, and trigonometric methods of vector addition.
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Homework set. Calculate Moment of Inertia for I beams, channels, angles, etc.
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Shear and bending moment diagrams involving concentrated moments.
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Shear and bending moment problems involving distributed loads.
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Simply supported Beam with three concentrated loads.
