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In this animated and interactive object, learners calculate the area and centroid of a triangle.
Volts Per Hertz Ratio
By Terry Bartelt
In this animated and interactive object, learners examine why the voltage produced by an AC drive must be increased when its frequency is increased due to inductive reactance.
Parallel Circuit Analysis Practice Problems Part 1
By Patrick Hoppe
In this interactive object, students work parallel circuit analysis problems. They solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.
Programming a PLC Timer
In this animated object, learners examine the types of information to enter, and the sequence of steps required, to program a programmable logic controller (PLC) timer.
Power Law Practice Problems #1
Learners review the three formulas for power and work 12 problems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and asked to solve for power. Immediate feedback is provided.
Analyze a Part Drawing
By Glenn Sokolowski
In this interactive object, learners answer 25 questions regarding part or assembly drawings. The basic areas of blueprint reading are covered.
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: Centroids of Composite Areas
By Steve Whitmoyer
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.
please give me answer two forces form a couple if they are ?
a.equal in magnitude
b.opposite in direction
c.parallel and non collinear
d.all of the above
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