1M40.15 • Conservation of Energy: Stopped Pendulum

Location: Floor Demo

Photo shows the demonstration used at the University of Texas at Austin.

---

Instructions / Notes:

• Make two reference marks to show where the pendulum was released and where it should stop.
• Raise the pendulum to one the reference marks and release it.
• The pendulum reaches almost the same maximum height at both ends of its swing.
• Some energy is lost.

---

Demo Staff:

• The reference marks need to be below the string stop.

Last updated on February 24, 2025