167 results authored by William Haynes - search across all users.
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Question in Engineering Statics
Replace two parallel forces with an equivalent single force
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Question in Engineering Statics
Replace three tangential forces with an equivalent force-couple system acting at the center of a circle.
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Question in Engineering Statics
Find the centroid of a shape made up of a rectangle and two triangles.
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Exam (3 questions) in Engineering Statics
Homework set. Find centroids of shapes by dividing them into simple subshapes.
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Question in Engineering Statics
Friction
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Exam (3 questions) in Engineering Statics
Homework set. Find reactions for various 2-D rigid bodies in equilibrium.
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Question in Engineering Statics
Find the reactions of a rigid body (a triangular plate) at a pin and roller. The load is at an angle.
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Exam (3 questions) in Engineering Statics
Homework set. Find reactions for various 2-D rigid bodies in equilibrium.
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Question in Engineering Statics
Find the tensions is a system of cables supporting two loads.
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Exam (3 questions) in Engineering Statics
Homework set. Problems involving two interacting particles.
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Exam (19 questions) in Engineering Statics
End of chapter exercises for Engineering Statics: Open and Interactive
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Question in Engineering Statics
Classic machine problem. Find the mechanical advantage of a pair of pliers and the force on the hinge pin.
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Question in Engineering Statics
Simple truss with a zero-force member
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Question in Engineering StaticsUse the method of joints to solve for the forces in a cantilever truss.
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Exam (3 questions) in Engineering Statics
Homework set. Trusses solved using the method of sections
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Exam (3 questions) in Engineering Statics
Homework set. More frame and machine problems.
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Exam (4 questions) in Engineering Statics
Homework set. Frame and machine problems.
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Question in Engineering Statics
An A-frame structure supporting a load at the top. Simple because both legs are two force bodies.
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Exam (3 questions) in Engineering Statics
Homework set. Frame and machine problems.
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Question in Engineering Statics
Find all forces on a two-part, symmetrical frame supporting a load.
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Question in Engineering StaticsFind the mechanical advantage of a pair of 'vice-grip' pliers.
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Question in Engineering Statics
This just an equilibrium of a particle problem, but posed in context of a joint as a warm-up for the method of joints.
Advice is brief.
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Question in Engineering StaticsShear and Bending Moment diagram for a beam with several concentrated loads
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Question in Engineering Statics
Derive the expressions for the shear and bending moment as functions of $x$ for a cantilever beam with a uniformly varying (triangular) load.
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Question in Engineering Statics
Determine expressions for internal shear and bending moment as a function of $x$ for a beam with two vertical loads.
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Question in Engineering Statics
Determine the mechanical advantage of a pair of compound lopping shears.
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Question in Engineering Statics
Determine the forces in the pistons of a hydraulicly operated excavator.
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Exam (4 questions) in Engineering Statics
Homework set. Use integration to find the centroid of shapes bounded by functions.
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Exam (3 questions) in Engineering Statics
Homework set. Use integration to find the centroid of shapes bounded by functions.
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Question in Engineering Statics
Sum three force vectors based on a written description of the situation.