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Pendulum Variables

CSEF · 2008 Physics & Astronomy

Aiyana R. Alaimo, Teresa H. Netro · Branciforte Middle School, Santa Cruz, Santa Cruz County

Overview

Objectives/Goals My objecgtive of this project was to figure out if changing either the length, the weight, or the amplitude, would affect the swing of a pendulum, and if so, which caused the greatest change. Methods/Materials A PVC pipe base was built in the shape of a swing structure, to take the data. We then used 1, 2, and 3 ounce weights, a stopwatch and a ruler to test our three catigories (weight, length, and amplitude). Results The length gave the largest difference in time. As you make the length longer, the time increases because the pendulum has a longer path to travel. Compared to amplitude and weight, which made no difference what so ever in time. Conclusions/Discussion My conclusion is that length has an important role in pendulum science, and that pendulums will take more time with longer lengths.

Summary statement

My project is about pendulums, and which variable will change the time of it's swing the greatest.

Help received

Mother helped with graphs on Excell; Grandfather helped fine-tune research question; Aiyana Alaimo helped take data

Competition history

  • CSEF 2008 Physics & Astronomy · Entry J1601

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