PHET Interactive Simulations: Balancing Act
Topics
Balance
Proportional Reasoning
Torque
Lever Arm
Rotational Equilibrium
Description
Play with objects on a teeter totter to learn about balance. Test what you've learned by trying the Balance Challenge game.
Sample Learning Goals
Predict how objects of various masses can be used to make a plank balance.
Predict how changing the positions of the masses on the plank will affect the motion of the plank.
Write rules to predict which way a plank will tilt when objects are placed on it.
Use your rules to solve puzzles about balancing.