ClipArt ETC
No upward pressure is present on surface c because of because of the weight of the water in part c d. Upward pressure is present on c because of the weight of the water in part b c.

Upward Pressure

No upward pressure is present on surface c because of because of the weight of the water in part c d.…

A tube open at both ends with the lower end covered with a piece of card, plunged into the water. The liquid will press the card against the bottom of the tube with a force which increases as it is plunged deeper.

Upward Pressure

A tube open at both ends with the lower end covered with a piece of card, plunged into the water. The…