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Introduction to Class 3 Levers
In this interactive object, students view an animated depiction of Class 3 levers. A matching quiz completes the activity.
Mechanical Advantage (Screencast)
Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.
Class 2 Levers: Force Input Angles
Learners use trigonometry to calculate angular input forces involving Class 2 mechanical levers.
Identifying Lever Classes
In this interactive object, learners read an introduction to Class 1, Class 2, and Class 3 levers and then take a quiz.
Introduction to Class 1 Levers
In this interactive object, students view an animated depiction of Class 1 levers. A matching quiz completes the activity.
Displacement and Velocity Ratios
In this animated object, learners examine formulas for displacement and velocity ratios. They also view examples and calculate velocity and the velocity ratio.