98 results.
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Given three vectors, arrange them in a tip to tail arrangement using geogebra, then estimate the magnitude and direction of their resultant.
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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
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Find the tensions in two ropes supporting a weight.
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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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Replace two forces with a equivalent force-couple system at a specified point.
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Find the magnitude and direction of a force given its scalar components.
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Find forces required to hold a particle in equilibrium when subjected to a downward load. Directions of the reactions are given.
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3D equilibrium of a particle problem. Rectangular steel plate supported by three cables, dimensions and density given.
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Find the reactions of a rigid body (a truss) at a pin and roller. All loads are either horizontal or vertical.
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Determine frictional force acting on a block on an incline. Coefficients of friction, weight and a horizontal force are given
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Replace two parallel forces with an equivalent single force
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Replace three tangential forces with an equivalent force-couple system acting at the center of a circle.
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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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Find the tensions is a system of cables supporting two loads.
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Classic machine problem. Find the mechanical advantage of a pair of pliers and the force on the hinge pin.
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Simple truss with a zero-force member
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Use the method of joints to solve for the forces in a cantilever truss.
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An A-frame structure supporting a load at the top. Simple because both legs are two force bodies.
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Find the mechanical advantage of a pair of 'vice-grip' pliers.
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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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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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Determine expressions for internal shear and bending moment as a function of x for a beam with two vertical loads.
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Determine the mechanical advantage of a pair of compound lopping shears.
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Determine the forces in the pistons of a hydraulicly operated excavator.
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Sum three force vectors based on a written description of the situation.
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Find the forces in the members of a truss using the method of joints.
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Concept check on sign convention for shear and bending moment diagrams
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Calculate the centroidal moment of intertia of a rectangle with a excentric rectangular hole.
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Determine the single force which is equivalent to a force and a couple.
