The S.I. unit of upthrust is:

1. Pa
2. N
3. kg
4. kg m²

The correct relation for upthrust on a solid of volume V immersed in a liquid of density ρ is :

1. F_B = $\dfrac{\text{V}_{\text{s}}}{\text{g}}$

2. F_g = $\dfrac{\text{ρg}}{\text{V}}$

3. F_B = Vρg

4. F_g = $\dfrac{\text{V}_{\text{g}}}{\text{ρ}}$

If a body is completely immersed in a liquid, the volume of the liquid displaced will be …………… its own volume and the upthrust will be ……………

1. less than, minimum
2. equal to, minimum
3. more than, maximum
4. equal to, maximum

The apparent loss in weight is equal to the upthrust on the body verifies :

1. Pascal's law
2. Newton's third law
3. Archimedes' principle
4. Newton's second law