Which of the following factors depends on the result of buoyancy force acting on the object in a given fluid?
A. The density of the fluid and the mass of the object immersed in it
B. The weight of immersed object
C. The density of the fluid and the volume of the object immersed in it
D. Size of immersed object
Answer: Option C
This Question Belongs to Physics GK Chapter Wise >> Mechanical Physics
The body is called perfectly plastic body
A. if the body completely gain its original shape after removal of deforming force
B. if the body remains in deformed shape even after removal of the deforming force
C. if weight of the body is equal to force of buoyancy
D. None of the above
Pressure is a scalar quantity because
A. it is the ratio of force to area and both force and area are vectors
B. it is the ratio of magnitude of force to area
C. it is the ratio of component of force (normal to area) to area
D. None of the above
Why do water droplets always take a round shape when dropped onto plane surfaces?
A. Due to gravity
B. Due to atmospheric pressure
C. Due to the presence of Eddy current in the air
D. Due to exertion of surface tension by the molecules
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