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Mini-Quiz: Pendulum Exhibits Periodic Motion

by Ron Kurtus (revised 17 December 2016)

Take this Mini-Quiz to check your understanding of the lesson material.

1. What happens when you double the mass of the pendulum bob?

The pendulum swings twice as fast

The pendulum swings half as fast

The speed stays the same

2. Why are pendulums used in clocks?

The constant frequency is used to tell time

They are used for decoration

So you don't need to wind the clock

3. What does the Foucault Pendulum demonstrate?

How fast a large pendulum swings

The Earth's rotation

Changes in the Earth's gravity

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.

Maintain good health practices

Resources and references

Ron Kurtus' Credentials


Simple Pendulum - Hyperphysics explanation

How Pendulum Clocks Work - From How Stuff Works

Pendulum Physlet - Java application and equations for a damped pendulum

The Foucault Pendulum - University of Louisville pendulum

Physics Resources


Top-rated books on Pendulums

Top-rated books on the Physics of Motion

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Mini-Quiz: Pendulum Exhibits Periodic Motion

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