Physics 1135 (Engineering Physics I)

Lecture 24: Periodic Motion

Objectives: In this lecture, students will learn to
  • analyze the motion of a mass at the end of a spring
  • derive a differential equation for simple harmonic oscillation
  • describe oscillations in terms of amplitude, period, frequency and angular frequency
  • analyze simple harmonic motion using energy concepts
  • analyze the motion of a simple pendulum
  • analyze the motion of a physical pendulum
  • distinguish between physical and simple pendulum
Lecture Notes: Videos:

Introduction video_1.mp4
Mass on a spring. Differential equation of SHO. video_2.mp4 with captions
Amplitude and phase angle video_3.mp4 with captions
Position and velocity. Simulation video_4.mp4 with captions
Period video_5.mp4 with captions
Energy in SHO video_6.mp4 with captions
Example video_7.mp4 with captions
Simple pendulum video_8.mp4 with captions
Physical Pendulum video_9.mp4 with captions
Example: physical Pendulum video_10.mp4 with captions

Simple pendula
of different lengths.
Explanation here

Homework assignment: HW #24