A tank, filled partially with a liquid, is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?
A. The surface of the fluid falls in the direction of motion and rises towards the back of the tank
B. The surface of the fluid falls only at the center of the tank
C. The surface of the fluid is fixed horizontally
D. The surface of the fluid rises in the direction of motion and falls towards the back of the tank
Answer: Option A
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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