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प्रश्न
For a floating body, its weight W and upthrust FB on it are related as :
विकल्प
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
State the principle of floatation.
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?
Draw a diagram to show the forces acting on a body floating in water with its some part submerged. Name the forces and show their points of application. How is the weight of water displaced by the floating body related to the weight of the body itself?
Why is the floating ice less submerged in brine than in water?
A body floats in a liquid A of density ρ1 with a part of it submerged inside the liquid, while in liquid B of density ρ2 it is totally submerged inside the liquid. The densities ρ1 and ρ2 are related as :
A block of wood of volume 25 cm3 floats in water with 20 cm3 of its volume immersed in water.
Calculate:
(1) density of wood
(2) the weight of block of wood.
Why does a helium balloon float in air?
Hydrometer is based on the principle of ______.
Where do we use lactometers?
Describe the purpose, principle, and working of the Lactometer.
