Archimedes principle and law of flotation questions | form one Physics

The mass of an empty density bottle was 50g. When filled with a certain liquid of volume 20cm3 its mass became 75g. Find the:
a) Density of the liquid
b) Relative density of the liquid

Answer / Solution

UNSOLVED

From Archimedes’ principle, the upthrust acting on a body is equal to the:
A. apparent loss in weight
B. apparent weight
C. weight of a body in air
D. weight of a body in water

Answer / Solution

UNSOLVED

A spring balance reads 12 N when a metal block is suspended from it and 10 N when the block is completely immersed in water. Calculate the:
(i) Upthrust on the block
(ii) Relative density of the block

Answer / Solution

UNSOLVED

A ferry boat floats in seawater because its density is
A . greater than that of water

B . smaller than that of water
C.  the same as its weight

D. greater than its weight.

Answer / Solution

UNSOLVED

Figure 2 shows a graduated cylinder containing water before and after a stone is immersed

If the mass of the stone is 50 g, calculate the
(i) Volume of the stone.
(ii) Density of the stone.

Answer / Solution

UNSOLVED