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Device to locate the centre of mass of a test object to within a precision of micrometres

R S Davis

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The height of the centre of mass above the base of a 1 kg artefact can be located easily within a precision of several micrometres using a simple 'weighbridge'. Analysis of the device, its realization and performance are presented. The method has applications in high-precision mass metrology and certain gravitational experiments.


PACS

06.60.Sx Positioning and alignment; manipulating, remote handling

07.10.Lw Balance systems, tensile machines, etc.

07.07.Tw Servo and control equipment; robots

06.30.Dr Mass and density

06.20.F- Units and standards

Subjects

Instrumentation and measurement

Dates

Issue 2 (February 1995)



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