Question

Explain Archimedes principle. (2)

b. The body weighs 500 gf in air and 300 gf when completely immersed in water, calculate (2)

i. The up thrust on the body.

ii. The loss in weight of the body.

c. State the formula to find (2)

i. Density

ii. Relative density

d. Write the formula to find the relative density of (2)

i. Solid denser than water and soluble in it.

ii. Solid denser than water and insoluble in it.

e. Derive the relation between volume of submerged part of a floating body, the densities of the liquids

and the floating body.​

Answer 1

Answer:

Inefficient irrigation water management including canal network losses leads to the waterlogging and soil salinity/alkalinity while use of poor quality

Answer 2

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• Archimedes' principle states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially, is equal to the weight of the fluid that the body displaces. Archimedes' principle is a law of physics fundamental to fluid mechanics. It was formulated by Archimedes of Syracuse

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