what is torsion balance?
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Torsion balance, device used to measure the gravitational acceleration at the Earth's surface. ... The torsion balance consists essentially of two small masses at different elevations that are supported at opposite ends of a beam.
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torsion balance, instrument used to measure small forces. It is based on the principle that a wire or thread resists twisting with a force that is proportional to the stress. ... Torsion balances are used to measure small electric, magnetic, and gravitational forces. One type is used to measure small weights.
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