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# 9.1 Simple harmonic motion

## Experiments

Here are experiments our science specialists have selected to support the IB* topic.

### Simple Harmonic Motion

Experiment #15 from Physics with Vernier

• Measure the position and velocity as a function of time for an oscillating mass and spring system.
• Determine the amplitude, period, and phase constant of the observed simple harmonic motion.
• Compare the observed motion of a mass and spring system to a mathematical model of simple harmonic motion.

### Energy in Simple Harmonic Motion

Experiment #17 from Physics with Vernier

• Examine the energies involved in simple harmonic motion.
• Test the principle of conservation of energy.

### Pendulum Periods

Experiment #17 from Advanced Physics with Vernier â€” Mechanics

In this experiment, you will

• Collect angle vs. time data for a simple pendulum.
• Determine the best-fit equation for the angle vs. time graph.
• From an analysis of the forces acting on the pendulum bob, derive the equation describing the motion of the pendulum.
• Relate the parameters in the best-fit equation for the angle vs. time graph to their physical counterparts in the system.
• Determine the period of oscillation from an analysis of the angle vs. time graph.
• Account for the deviation from constant periods when the amplitude becomes large.

Educational Standard
International Baccalaureate (IB)
Subject
Physics
Section