Advanced PlacementCollegeHigh School / Physics

Atwood's Machine

Students use a photogate and pulley system to determine the mathematical relationship between the acceleration of an Atwood’s machine, the difference between its two masses, and the sum of those two masses.

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03_AP1_Atwoods_Machine_SD.docx 146.19 KB
03_AP1_Atwoods_Machine_S.docx 380.75 KB
03_AP1_Atwoods_Machine_GI.docx 146.73 KB

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Standards Correlations

IB Topics AP Topics
2.2 3.B.1.1; 3.B.1.2

Featured Equipment

Right Angle Clamp

This clamp fits rods up to 18 mm (11/16 in) in diameter.

Smart Gate

Wireless Smart Gate

The Wireless Smart Gate has all the features of the wired Smart Gate plus the added flexibility of wireless connection to your data collection system.

Black Thread

Black Thread (3 pack)

Black nylon thread.

Super Pulley Kit

Super Pulley Kit

This combination kit includes the parts to build either a Super Pulley with rod or Super Pulley with clamp.

Aluminum Table Clamp

This clamp with 6.5 cm grip width, accepts plain or threaded rods up to 1/2 inch or 1.25 cm.

Mass and Hanger Set

Mass and Hanger Set

The Mass and Hanger Set includes 4 hangers and 27 weights that range from 0.5 g to 100 g.

Stainless Steel Rod, 60 cm Threaded

Threaded stainless steel rod with diameter of 1/2 inch.

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Source: Lab #03

Advanced Physics 1 Lab Manual

Atwood's Machine