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In this animated and interactive object, learners calculate the area and centroid of a quadrant.
By James Bourassa
In this animated object, learners examine the situation that occurs when any two links of a mechanism lie in the same plane or on a straight line. Crank-sliders and crank-rockers are shown.
Series Circuit Analysis Practice Problems Part 1
By Patrick Hoppe
In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.
Abbreviations Representing Electrical Quantities
By Terry Bartelt
In this learning activity you'll identify abbreviations that represent quantities associated with electrical circuits.
Displacement and Velocity Ratios
By James Bourassa, John Rosz
In this animated object, learners examine formulas for displacement and velocity ratios. They also view examples and calculate velocity and the velocity ratio.
Energizing Time Constants of an RL Circuit
In this animated object, students view an explanation of how current, voltage, and the magnetic field strength of a series RL circuit change during five time constants. A brief quiz completes the activity.
De-Energizing Time Constants of an RL Circuit
In this animated learning object, students examine current, voltage, and the magnetic field strength of a series RL circuit while it is de-energizing during five time constants. A quiz completes the activity.
Strength of Materials: An Introduction to Centroids
By Steve Whitmoyer
In this animated object, learners examine how to find the center of gravity of a steel rod and of a two-dimensional shape.
Strength of Materials: Centroids of Composite Areas
In this interactive object, learners calculate a centroid of a composite area by first creating a chart. A short quiz completes the activity.
Strength of Materials: The Centroid of a Rectangle
In this animated and interactive object, learners calculate the area and centroid of a rectangle.
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