Question

6. A child asked his father why? when he dipped a plastic ball in mug filled with water only part
of the water has fallen but if he drops iron article, more water fall out of the mug even size and shape of both are same.


a) Define the principle involved in it.

b) What is buoyant force? What is its SI unit?

c) If a body weigh 5kg in air, dipped in water measure 3kg, what its density if the volume of water increased is by 2 litres? (2 litres 2000 ml)

d)What is the density of water in kg/m³?

e ) Why plastic ball float on water?



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Answer 1

Answer:

a

Explanation:

a different principle is involved in a matels

Answer 2

Answer:

iron articles can have different weights also