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A ball has a diameter of 3.86 cm and average density of 0.0836 g/cm3. What force is required to hold it completely submerged under water?

  • physics -

    force=bouyancy-weight=4/3 PI (3.86/2)^3(1.0-.0836)

    That is the mass (in grams) required.

    Weight in Newtons=gramsabove/1000*9.8N/kg

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