How is the net downward force on the sphere calculated in the provided principle? - EXPERIMENTAL SKILLS Quiz | GKFix.in

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Question

How is the net downward force on the sphere calculated in the provided principle?

A. 4/3 π r³ σ g
B. 4/3 π r³ ρ g
C. 4/3 π r³ (σ - ρ) g
D. 6 π η r v