Question #173011

A copper 20cm on a side is completely submerged underwater. Calculate the buoyant force acting on the cube?

a. 58.7 N b. 75.8 N c. 78.5 N d. 87.5 N




1
Expert's answer
2021-04-16T07:27:10-0400

The buoyant force is


F=ρgV=10009.80.23=78.4 N.F=\rho gV=1000·9.8·0.2^3=78.4\text{ N}.


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