Learners examine the operation of the on-off control mode using a home heating example. A short quiz completes the activity.

Learners examine how a ladder logic circuit becomes latched when a normally open pushbutton is momentarily pressed.

Learners examine the properties that determine capacitance.

Learners follow procedures for measuring resistance using an analog ohmmeter. They examine the use of the Function Switch and the Range Switch and practice reading a non-linear scale. A brief quiz completes the activity.

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

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.

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

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.

Picture of Adira hydraulic shear's operator's panel with part identification and instructions on how to start and stop the shear as well as setting stroke (cutting length).

To practice vocabulary related to jobs.

For Dental Assistants to learn the basic PPE equipment.

Learn more about different occupations.

Work and Simple Machine review