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Mechanical Advantage (Screencast)
Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.
Introduction to Class 3 Levers
In this interactive object, students view an animated depiction of Class 3 levers. A matching quiz completes the activity.
Introduction to Class 1 Levers
In this interactive object, students view an animated depiction of Class 1 levers. A matching quiz completes the activity.
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.
Class 2 Levers: Force Input Angles
Learners use trigonometry to calculate angular input forces involving Class 2 mechanical levers.
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.