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Publishing Language: Chinese

PULLEY AND ROPE CONSTRAINTS IN PLANAR MOTION

Bin HE1( )Yibin HUANG2
Jiangxi Wanzai Middle School, Yichun, Jiangxi 336100
School of Physics and Communication Electronics, Jiangxi Normal University, Nanchang, Jiangxi 330000
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Abstract

For rope constraints in planar motion, unlike the usual polar coordinate method, the superposition method is used to handle them. We point out that the rope has non-zero acceleration at the tangent point with the pulley, and then use the common superposition formula of velocity and acceleration to obtain the acceleration at the end of the rope. Meanwhile, for rigid bodies that generally perform slipless rolling, we also provide an acceleration formula for their tangent points.

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Physics and Engineering
Pages 170-173

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Cite this article:
HE B, HUANG Y. PULLEY AND ROPE CONSTRAINTS IN PLANAR MOTION. Physics and Engineering, 2025, 35(1): 170-173. https://doi.org/10.26599/PHYS.2025.9320128

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Received: 20 February 2024
Published: 27 August 2025
© 2025 Physics and Engineering.