Learning Objects Authored

• Calculating Belt Length

  By James Bourassa

  Learners follow steps to determine the proper starting belt length for a timing, flat, or v-belt drive.

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• Calculating Belt Length (Screencast)

  By James Bourassa

  In this screencast, learners follow steps to determine the proper starting belt length for a timing, flat, or v-belt drive.

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• Calculating Belt Velocity and Horsepower

  By James Bourassa, John Rosz

  In this interactive object, learners are given the RPM, the pulley diameter, and the force, and proceed to calculate belt velocity and horsepower.

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• Calculating Horsepower, RPM, and Torque

  By James Bourassa, John Rosz

  In this animated and interactive object, learners examine the formula for horsepower and work practice problems.

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• Class 2 Levers: Force Input Angles

  By James Bourassa, John Rosz

  Learners use trigonometry to calculate angular input forces involving Class 2 mechanical levers.

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• Converting Rotational Velocity to Linear Velocity

  By James Bourassa, John Rosz

  In this animated object, students view an example of how to convert rotational velocity to linear velocity. They then work practice problems.

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• Converting Rotational Velocity to Linear Velocity (Screencast)

  By James Bourassa, John Rosz

  Students view an example of how to convert rotational velocity to linear velocity. They then work practice problems.

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• Crank Rocker Velocity

  By James Bourassa

  In this animated and interactive object, learners use rotational input velocity to determine the linear output velocity of a rocker or lever. Learners test their knowledge in an exercise at the end of the activity.

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• Crank Slider Velocity

  By James Bourassa

  In this animated object, learners identify the basic parts and operation of a crank slider mechanism. They also follow the steps to use rotational input velocity to determine the linear output velocity of a slider component.

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• Critical Position

  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.

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• 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.

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• Gear Nomenclature

  By James Bourassa

  In this interactive object, learners view various components of gears and read descriptions of them. Learners then identify the location of each of these components in a drag-and-drop exercise.

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• Gear Nomenclature (Screencast)

  By James Bourassa

  In this interactive object, learners view various components of gears and read descriptions of them. Learners then identify the location of each of these components in a drag-and-drop exercise.

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• Gear Ratio Concepts

  By James Bourassa

  In this animated object, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations. A quiz completes the activity.

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• Gear Ratio Concepts (Screencast)

  By James Bourassa

  In this screencast, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations.

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• Identifying Lever Classes

  By James Bourassa

  In this interactive object, learners read an introduction to Class 1, Class 2, and Class 3 levers and then take a quiz.

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• Introduction to Class 1 Levers

  By James Bourassa, John Rosz

  In this interactive object, students view an animated depiction of Class 1 levers. A matching quiz completes the activity.

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• Introduction to Class 3 Levers

  By James Bourassa, John Rosz

  In this interactive object, students view an animated depiction of Class 3 levers. A matching quiz completes the activity.

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• Mechanical Advantage

  By James Bourassa, John Rosz

  Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.

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• Mechanical Advantage (Screencast)

  By James Bourassa, John Rosz

  Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.

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• Parallel RC Circuit Practice Problems

  By James Bourassa, John Rosz

  In this interactive object, students calculate capacitive reactance, impedance, current, and power in parallel RC circuits.

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• Parallel RC Circuit Vector and Circuit Analyzer

  By James Bourassa, John Rosz

  Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

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• Parallel RL Circuit Practice Problems

  By James Bourassa, John Rosz

  In this interactive object, students calculate inductive reactance, impedance, current, and power in parallel RL circuits.

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• Parallel RL Circuit Vector and Circuit Analyzer

  By James Bourassa, John Rosz

  Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

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• Quick-Return Mechanism Velocity Calculations

  By James Bourassa, John Rosz

  In this animated and interactive object, learners calculate the maximum velocity of the work stroke and the return stroke.

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• Quick-Return Mechanism Velocity Calculations

  By James Bourassa, John Rosz

  In this animated and interactive object, learners calculate the maximum velocity of the work stroke and the return stroke.

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• Resistor Color Code Recognition Drills

  By James Bourassa, John Rosz

  In this interactive object, students complete progressively more difficult exercises as a way to improve their ability to recognize resistor color code values.

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• Series RC Circuit Practice Problems

  By James Bourassa, John Rosz

  In this interactive object, students calculate capacitive reactance, phase angle, impedance, and power in series RC circuits.

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• Series RC Circuit Vector and Circuit Analyzer

  By James Bourassa, John Rosz

  In this teaching and learning aid, the user can alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

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• Series RL Circuit Practice Problems

  By James Bourassa, John Rosz

  Students calculate current, phase angle, resistor voltage, inductor voltage, and power.

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• Series RL Circuit Vector and Circuit Analyzer

  By James Bourassa, John Rosz

  Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

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• The Electrician's Wheel of Laws Quiz

  By James Bourassa

  Learners test their knowledge of the variations of Watt's Law and Ohm's Law with this quiz.

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• Three Phase Wye Transformer Calculations

  By James Bourassa

  In this interactive object, learners follow steps to find phase voltages in a partial three-phase power distribution circuit.

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• Three-Phase Delta Transformer Calculations

  By James Bourassa

  Using a memory shortcut for calculations, the learner determines line and phase values of current in a three-phase AC configuration. Practice problems complete the activity.

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• Torque Sequence of Two Mating Surfaces

  By James Bourassa

  In this interactive object, learners demonstrate the proper tightening sequence for mechanically joining two mating surfaces.

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• Word Problems in Basic Mechanics

  By James Bourassa, John Rosz

  Learners solve word problems involving basic mechanical principles such as torque, horsepower, work, and power. Students who have problems with a particular word problem may try it again with a different set of numbers.

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• Work and Power

  By James Bourassa, John Rosz

  Learners examine the formulas for calculating work in ft-lb units and power in ft-lb/min. units. Practice problems are included.

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• Work and Power (Screencast)

  By James Bourassa, John Rosz

  Learners examine the formulas for calculating work in ft-lb units and power in ft-lb/min. units.

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