Advertisements
Advertisements
Question
An object of weight 200 N is floating in a liquid. What is the magnitude of buoyant force acting on it ?
Advertisements
Solution
According to Archimedes’ principle, buoyant force equals the weight of the liquid displaced by the object. Therefore, the buoyant force on the object would be 200 N.
APPEARS IN
RELATED QUESTIONS
What is the unit of relative density?
Explain why an iron needle sinks in water, but a ship made of iron floats on water.
Explain why a gas bubble released at the bottom of a lake grows in size as it rises to the surface of the lake.
Complete the following sentence :
Pressure is .................... in all directions about a point in a liquid.
A vessel contains water up to a height of 1.5 m. Taking the density of water 103 kg m-3, acceleration due to gravity 9.8 m s-2 and area of base of vessel 100 cm2, calculate: (a) the pressure and (b) the thrust at the base of vessel.
It is easier to lift a heavy stone under water than in air. Explain.
The S.I. unit of upthrust is :
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.
Select the correct option.
Unit of thrust in the SI system is
Is thrust a scalar or vector quantity?
