Advertisements
Advertisements
Question
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
Advertisements
Solution
Archimedes gave the magnitude of buoyant force acting on a solid object immersed in a liquid.
APPEARS IN
RELATED QUESTIONS
A boy get into a floating boat.
What happens to the buoyant force on the boat ?
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
(a) body A having density of 500 kg m-3
The diagram given below show a body floating in three different liquids. A, B and C at different levels.
(a) In which liquid does the body experience the greatest buoyant force?
(b) Which liquid has the least density?
(c) Which liquid has the highest density?
How does the pressure exerted by thrust depend on the area of surface on which it acts? Explain with a suitable example.
How does the liquid pressure on a diver change if:
the diver moves to the greater depth
The mass of a block made of certain material is 13.5 kg and its volume is 15 × 10-3 m3.
(a) Calculate upthrust on the block if it is held fully immersed in water.
(b) Will the block float or sink in water when released? Give a reason for your answer.
(c) What will be the upthrust on block while floating?
Take density of water = 1000 kg m-3.
Figure shows the same block of wood floating in three different liquids A, B and C of densities ρ1, ρ2 and ρ3 respectively. Which of the liquid has the highest density? Give a reason for your answer.
A beaker contains a liquid of density ‘ρ’ up to height ‘h’ such that ‘PA’ is atmospheric pressure and ‘g’ is the acceleration due to gravity. Answer the following questions:
- What is the pressure on the free surface of the liquid?
- What is the pressure on the base of the beaker?
- What is the lateral pressure at the base on the inner walls of the beaker?
Define atmospheric pressure diving suits. Does a diving suit create buoyancy?
Most buoyant objects are those with relatively ______.
- high volume
- higher mass
- low density
- less viscosity
