Weight of a object is 5kg and volume of the object is 3L.
(i) Calculate the upthrust experienced by the object.
(ii) Calculate the apparent weight of the object.
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Answer:
Weight of the object in air = 5 kg = 5000 gf
Volume of the object = 3 l
= 3000 cm^3 [ 1L=1000 cm^3]
Upthrust = Volume of solid × density of liquid × g
= 3000 cm^3 × 1 g/ cm^3 × g
= 3000 gf. Ans.
ii) apparent weight = True weight-upthrust
= 5000 - 3000
= 2000 gf.
= 2 kg. ans.
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