Method of generating and measuring static small force using down-slope component of gravity | Zendy

Yusaku Fujii | Zendy

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Method of generating and measuring static small force using down-slope component of gravity

Author(s) -

Yusaku Fujii

Publication year - 2007

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.2746823

Subject(s) - levitation , component (thermodynamics) , physics , mechanics , static friction , conservative force , plane (geometry) , classical mechanics , materials science , geometry , mathematics , composite material , magnet , thermodynamics , quantum mechanics

A method of generating and measuring static small forces at the micro-Newton level is proposed. In the method, the down-slope component of gravity acting on a mass on an inclined plane is used as a static force. To realize a linear motion of the mass with a small friction, an aerostatic linear bearing is used. The forces acting on the mass, such as the down-slope component of gravity and the dynamic frictional force, are determined by the levitation mass method. In an experiment, a static small force of approximately 183 microN is generated and measured with a standard uncertainty of approximately 2 microN.

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