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A cube of oak wood with very smooth faces normally floats in water. Suppose you submerge it completely and press one face flat against the bottom of a tank so that no water is under that face. Will the block float to the surface? Is there a buoyant force on it? Explain.

A cube of oak wood with very smooth faces normally floats in water. Suppose you submerge it completely and press one face flat against the bottom of a tank so that no water is
under that face. Will the block float to the surface? Is there a buoyant force on it? Explain.

Grade:11

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
7 years ago
Force of buoyancy is independent of the contact of the surface what is in contact. If the object is in fluid it will feel buoyant force.

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