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प्रश्न
A body of weight W is floating in a liquid. Its apparent weight will be
विकल्प
Equal to W
Less than W
Greater than W
Zero
उत्तर
A body of weight W is floating in a liquid. Its apparent weight will be Zero
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संबंधित प्रश्न
State the principle of floatation.
A body is held immersed in a liquid. (i) Name the two forces acting on the body and draw a diagram to show these forces. (ii) State how the magnitudes of two forces mentioned in part (i) determine whether the body will float or sink in liquid when it is released. (iii) What is the net force on the body if it (a) sinks and (b) floats?
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?
A block of wood is so loaded that it just floats in water at room temperature. What change will occur in the state of floatation, if
(a) Some salt is added to water, (b) Water is heated?
Give reasons.
Explain the following :
Icebergs floating in sea are dangerous for ships.
State the principle of floatation. What can you say about the average density of a ship floating on water?
Why does a helium balloon float in air?
Hydrometer is based on the principle of ______.
How do submarines sink and float in water?
Differentiate positive & negative buoyant.
