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प्रश्न
For a floating body, its weight W and upthrust FB on it are related as :
पर्याय
W > FB
W < FB
W = FB
Nothing can be said
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उत्तर
For a floating body, its weight W and upthrust FB on it are related as : W= FB
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संबंधित प्रश्न
A solid iron ball of mass 500 g is dropped in mercury contained in a beaker. (a) Will the ball float or sink? Give reasons. (b) What will be the apparent weight of the ball?
A body of volume V and density ρs , floats with volume v inside a liquid of density ρL. Show that `"v"/V = ρ_s/ρ_L` .
A test tube weighing 17 gf, floats in alcohol to the level P. When the test tube is made to float in water to the level P, 3 gf of the lead shots are added in it. find the R.D. of alcohol.
A rubber ball floats in water with 2/7 of its volume above the surface of the water. Calculate the average relative density of the rubber ball.
State the principle of floatation. What can you say about the average density of a ship floating on water?
Explain the following:
Icebergs floating in the sea are very dangerous for ships.
State the laws of flotation.
Assertion: To float, body must displace liquid whose weight is equal to the actual weight.
Reason: The body will experience no net downward force in that case.
If you put one ice cube in a glass of water and another in a glass of alcohol, what would you observe? Explain your observations.
Describe the purpose, principle, and working of the Lactometer.
