In this interactive learning object, students view the ammeter connections for measuring currents in a parallel circuit with three branches on an energy concepts lab board. A brief quiz completes the activity.

Students read how the transfer function is developed for an RC low-pass filter. A straight line Bode plot is drawn through close approximations.

In this animated activity, users examine the causes of malfunctions in a hydraulic pressure-reducing valve and the problems that result. A short quiz completes the learning object.

Learners examine an animation that shows how an AC voltage is produced as an armature rotates within a magnetic field. Ten review questions complete the learning object.

Learners follow the steps required to perform the Ziegler-Nichols reaction curve process identification procedure.

Learners apply the Law of Cosines to determine forces using a TI-36X calculator in this animated object.

In this interactive and animated object, learners apply the Law of Cosines to determine forces using a TI-86 calculator.

In this interactive learning object, students calculate a resultant of multiple forces acting in a concurrent, coplanar condition.

In this interactive object, learners use the Pythagorean Theorem to calculate forces.

science

physical science vocabulary words

Put these steps of the scientific method in sequence.

TOPICS a) dot method subtraction B) addition think differently c) nikilam subtraction