Q

A tank partly filled with liquid accelerates uniformly horizontally. What happens to the liquid surface when acceleration is in the direction of motion?

RRB NTPC (Stage-I) 17/01/2017 / Shift I 2017
✓ Answer: A It falls at the front and rises at the back
In the accelerating tank frame, effective gravity has a backward component. The free surface rises at the back and falls at the front.