Archimedes principle and law of flotation questions | form one Physics

A piece of metal with a volume of 0.00012 m3 has a mass of 0.12 kg. The density of metal will be:
A. 100 kg/m3
B. 1,000 kg/m3
C. 10,000 kg/m3
D. 1,000,000 kg/m3

Answer / Solution

UNSOLVED

A measuring cylinder contains liquid to a level x. An object of volume z is totally immersed in the liquid contained in the cylinder. The new reading of the level of the liquid will be:
A. x
B. x – z
C. x + z
D. z – x

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

If the upthrust is greater than the weight of a body, then the body:

1. floats imperfectly
2. floats perfectly
3. rises
4. sinks.

Answer / Solution

UNSOLVED

A piece of wood is floating in water. In this case the:
A. density of water is equal to the density of wood
B. density of water is less than the density of wood
C. upthrust of water is equal to the weight of wood
D. upthrust of water is greater than the weight of wood.

Answer / Solution

UNSOLVED