Viscous drag Watch

LORD_LFC_5
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Report Thread starter 3 weeks ago
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right,

so viscous drag always acts in opposite direction to movement of object.

using weight= upthrust + viscous drag

does that mean,

if the ball is moving up, equation= weight + viscous drag= upthrust or is it weigh - viscous drag= upthrust ??

and when the ball is moving down, the equation is weight= viscous drag+ upthrust.

Can someone tell me which equations are correct, cheers
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surferneil
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if the ball is moving up, equation: weight + viscous drag= upthrust
and when the ball is moving down, the equation is weight= viscous drag+ upthrust.
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