Engineering Statics

Determine the forces in the pistons of a hydraulicly operated excavator.

Homework set.  Use integration to find the centroid of shapes bounded by functions.

Homework set.  Use integration to find the centroid of shapes bounded by functions.

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

Shear and bending moment diagram for a beam loaded with an arbitrary parabolic distributed load described with a loading function.  Integrate to find reactions and equations for shear and bending moment.

Find the shear, normal force and bending moment at a point in a beam supporting a uniformly distributed load.

Find the forces in the members of a truss using the method of joints.

Shear and bending moment diagrams involving concentrated moments.

Concept check on sign convention 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.

Calculate the centroidal moment of intertia of a rectangle with a excentric rectangular hole.

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 single force which is equivalent to a force and a couple.

Find the sum of two couples in a plane.

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

Solve for an angle which will result in equilibrium for a triangle subjected to three couples.   A trial and error solution is recommended.

Calculate the moment of a force.  Must calculate perpendicular distance based on simple geometry, and recognize direction.

Find the force required to produce a given moment, or vice-versa.

End of chapter exercises for Engineering Statics: Open and Interactive 

End of chapter exercises for Engineering Statics: Open and Interactive 

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

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.

Find the moment of inertia of semi and quarter circles using the parallel axis theorem.

Find the area, first moment of area, and coordinates of a general spandrel.  The area may be above or below the function.

Calculate the moment of inertia of a composite shape consiting of two rectangles about the x or y-axis.  Parallel axis theorem is often required.