15. b) An iron ball of density 7.8 g/cm and volume 200 cm is totally immersed in water. Calculate the upthrust acting on it given that density of water is 1000 kg/m. Share with your friends Share 1 Sanjay Singh answered this Dear student Regards -1 View Full Answer Amrit Agrawal answered this calculate it using the vdg formula i.e volume of the bal x density of water x acc due to gravity 0