Lesson: The Period of a Pendulum Physics • 9th Grade

In this lesson, we will learn how to calculate the period and frequency of a pendulum given its length and the local acceleration due to gravity.

Lesson Video

Sample Question Videos

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04:09

Lesson Worksheet

Q1:

A pendulum has a period of 4.81 s. What is the frequency of the pendulum? Give your answer to two decimal places.

Q2:

A pendulum has a length of 0.900 m. What is the frequency of the pendulum? Use a value of 9.81 m/s² for the local acceleration due to gravity. Give your answer to three decimal places.

Q3:

A pendulum has a frequency of 4.1 Hz. What is the period of the pendulum? Give your answer to two decimal places.