Lever Tutorial

Second Class Lever

 

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Parts of the Lever

First Class Lever

Second Class Lever

Third Class Lever

Final Quiz

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The second class lever has the resistance or load in the middle. One example is a wheelbarrow.

Set up your second class lever as shown below.

Second Class Lever

As with the first class lever, the resistance arm is between the resistance and the fulcrum.

Resistance Arm

The effort arm is between the resistance and the effort.

Effort Arm

Experiment with lengthening and shortening the resistance arm by moving the brick. Which set up requires more force? Which set up requires more distance (of lifting the brick)?

When you are ready for the quiz, click here.