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Arbor Scientific Atwood Machine

Atwood Machine

Item #91-6116
$38.50 Bundle Discount
Unit Price $38.50
6+ $35.30
In Stock

The Atwood machine is a simple and robust device for exploring linear acceleration concepts. It consists of two 50 mm ball bearing pulleys connected by an aluminum rod.

Product Details

Simple and effective, the Atwood machine cuts down on prep time and lets students dig into their experiments right away. Use this device with basic knowledge of classical physics to:

  • derive a constant acceleration equation
  • determine acceleration due to gravity
  • verify laws of motion with constant acceleration
  • investigate methods of determining tension in a string


This Atwood machine uses robust materials and two 50 mm low-friction ball bearing pulleys. The pulleys are joined with an aluminum rod, making the device easy to mount to any ring stand. Students can easily measure the time of the drop with manual stopwatches or set up photogates to more accurately determine time over a known distance.

Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.

Warning: California Residents

WARNING: Cancer & Reproductive Harm — www.P65Warnings.ca.gov

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