A solid weighs 2.10g in air.its relative density is 8.4.how much the body will weigh in water and in a liquid of relative density 1.2.

Asked by Thilagam165 | 9th Mar, 2019, 08:01: AM

Expert Answer:

Volume of the body = 2.1/8.4 = 0.25 cm^3
Upthrust force when body is immerse
Fu = density of water × volume immerse× acceleration due to gravity
Fu = 1× 0.25 ×g = 0.25g
Apparent mass if the body = (2.1 - 0.25)gmf = 1.85 gmf
Upthrust force when body is immerse in liquid
Fu = 1.2×0.25×g = 0.3g
Apparent mass of the body = (2.1-0.3) gmf = 1.8 gmf

Answered by Ankit K | 9th Mar, 2019, 05:12: PM