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Physics, 20.09.2019 05:20 viktoria1198zz

When suzanna stands on the floor on the surface of the earth, of the two external forces acting on her, her perception or sensation of weight directly depends on the upward force the floor exerts on her, not the downward force of gravity.

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When suzanna stands on the floor on the surface of the earth, of the two external forces acting on h...
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