Balance Beam

How do you know that the triple beam balance is the mass of an object and not the weight?
I know that changes in weight when pulling Gravataí whereas the mass changes not. So what is a triple beam balance that allows you to find the mass and weight?
Triple beam balance matches the time torque resulting from the mass measured with an adjustable torque generated by mass balance. Unlike a dynamometer, work in any field of zero gravity measurements mass, not weight.
Nastia Liukin on Balance Beam at 2008 Tyson American Cup
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*1984 LA Olympic balance beam star shaped pin with “Sam” *Gold plated* $2.99 |
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Antique Vintage Stilyard Hanging Scale Beam Balance Tobacco Primitive Old $28.00 |
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Vintage Triple Beam Balance 2610g Ohaus Scale 800Series WORKS GREAT $54.99 |
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GOT GYMNASTICS? BALANCE BEAM GYMNAST GRAPHIC DECAL $2.94 |
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Rare Girls Gymnastics BALANCE BEAM Inspirational Poster $12.99 |
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Detecto 4527PK Mechanical Balance Beam Bench Scale $415.00 |
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Detecto 4570 Bench Balance Beam Scale $365.00 |
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Ohaus 700 Series 2610Gram Triple Beam Balance Scale w/ Offset Weights TESTED $59.95 |
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Balance beam for American girl dolls $12.99 |
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21.729: Weight-Balance Beam Scale 17/18th C. $475.00 |
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