Question

Body of mass 3.5 GM displaces 1000 cm³ of water when fully immersed in it. Calculate volume upthrust and apparent weight of body in air. g = 10

Answer 1

Hey Bro Here Is Your Answer

Volume of the water displaced = Volume of the body

Here, the body displaces 1000 cm3 of water when fully immersed in it.

(i)Volume of the body = 1000 cm3 = 1000 × 10-6 m3 = 10-3 m3


(ii) Upthrust on the body = Volume of the water displaced × Density of water × g

                               = 10-3 m3 × 1000 × 10

                               = 10 N

 

Here. the weight of the object = 3.5 kg× 10 = 35 N 


(iii) Apparent weight = True weight - Upthrust 

                        = 35 N - 10N

Apparent weight = 25 N



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