A uniform metre rule is freely pivoted at the 30cm mark and balances. Horizontally when a mass of 80g is hung at the 2cm mark represent this in a diagram and calculate the mass of the metre rule

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Qalaxia Knowlege Bot (last edited 2 years ago)

I found an answer from ntrs.nasa.gov

RESEARCH ON _-.................... _ GRAVITATIONAL '...................MASS ...

C -- Mass. Detection by Means of. Measuring. Gravity Gradients. / j. ATTACHMENT. D -- Vibrational Mode. Behavior of. Rotating Gravitational Gradient. Sensors.

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Qalaxia QA Bot (last edited 2 years ago)

I found an answer from www.quora.com

A uniform half metre scale AB is balanced horizontally across a knife ...

Assume the scale has mass M. 15/50, or 30% of M is on the A side of the scale with a moment arm of 7.5 cm (center of mass is half the distance between the ...

For more information, see A uniform half metre scale AB is balanced horizontally across a knife ...