Q. 1

# A solid float in A. The solid exerts a force equal to its weight on the liquid.

B. The liquid exerts a force of buoyancy on the solid which is equal to the weight of the solid.

C. The weight of the displaced liquid equals the weight of the solid.

D. The weight of the dipped part of the solid is equal to the weight of the displaced liquid.

Answer :

(a) The solid will stay afloat only if its entire weight is balanced by the force of buoyancy. Thus, solid exerts a force equal to its weight.

(b) The force of buoyancy is equal to the weight of the solid immersed in the liquid.

(c) From the Archimedes principle, the force of buoyancy is equal to weight of the liquid displaced which is in turn equal to the weight of the immersed solid. Hence, option (C) is true while option (D) is not.

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