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$\begingroup$ What do you mean by "equal pressure in the water"? $\endgroup$
– FullBridge
Commented May 28, 2021 at 6:10
$\begingroup$ @FullBridge Take a tennis ball in your hand. Squeeze down on it. Your hand is the "air", pressing down on the ball which is the "water". Feel how the ball is pressing BACK at you? Same thing. Newton's laws.. If you apply pressure on something, and it cannot move away, it simply has to press back with equal force. This produces pressure in the object. $\endgroup$
– PcMan
Commented May 28, 2021 at 6:15
1

$\begingroup$ I agree, and what I'm saying is that the water pushes on the glass with a force $F_g$ and the water is pushed back with the same force. $\endgroup$
– FullBridge
Commented May 28, 2021 at 6:53

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