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प्रश्न
A body is held inside water contained in a vessel by tying it with a thread to the base of the vessel. Name the three forces that keep the body in equilibrium, and state the direction in which each force acts.
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उत्तर
Forces acting on the body are listed below:
- Weight of the body vertically downwards.
- Upthrust of water on body vertically upwards.
- Tension in thread vertically downwards.
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संबंधित प्रश्न
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
Relative density of a substance is expressed in g cm-3.
The S.I. unit of density is ..........
State whether pressure is a scalar or vector?
Describe a simple experiment to demonstrate that a liquid enclosed in a vessel exerts pressure in all directions.
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.
Select the correct option.
Thrust acting perpendicularly on the unit surface area is called
What do you mean by buoyancy?
How is thrust different from pressure?
If the buoyant force is less, the object will float.
