All 3 glasses have equal non-zero pressure at the bottom
Further explanation
The basic formula of pressure that needs to be recalled is:
Pressure = Force / Cross-sectional Area
or symbolized:
\(\large {\boxed {P = F \div A} }\)
P = Pressure (Pa)
F = Force (N)
A = Cross-sectional Area (m²)
Let us now tackle the problem !
The above formula can be arranged as follows.
\(P = \frac{F}{A}\)
\(P = \frac{w}{A}\)
\(P = \frac{m \times g}{A}\)
\(P = \frac{\rho \times V \times g}{A}\)
\(P = \frac{\rho \times A \times h \times g}{A}\)
\(\large {\boxed {P = \rho \times g \times h} }\)
From the above formula it can be concluded that the pressure at the bottom of the glass is directly proportional to the depth of the water. Since the water depth of the three glasses is the same, the pressure at the bottom of the glass will be the same.
Learn more
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Answer details
Grade: High School
Subject: Physics
Chapter: Pressure
Keywords: Gravity , Unit , Magnitude , Attraction , Distance , Mass , Newton , Law , Gravitational , Constant , Liquid , Pressure
