Upthrust
Trending Questions
Q.
Explain briefly how a submarine uses the principle of floatation
- to float in the sea,
- to lower itself and remain much below the surface and
- to rise again to the surface.
Q. If the weight of the body is equal to the weight of the fluid displaced by it, the net force acting on the body is zero.
- True
- False
Q. Two pieces of metal when immersed in a liquid have equal upthrust on them. Select the correct statement regarding the physical property of the metals given that both of them completely sink in the liquid.
- Both pieces must have equal volumes
- Both pieces must have equal densitites
- Both are floating to the same depth
- Both pieces must have equal weights
Q.
when a bottle filled with water which has a leakage is dropped from up no water is falling from it, give the reason for it
