According to Pascal's principle, the pressure exerted by a liquid in a container depends on which of the following? 1. Depth of the liquid 2. Density of the liquid 3. Shape of the container
a. 1, 2, and 3
b. 1 and 2
c. 2 and 3
d. 1 and 3
ANS: B
The pressure exerted by a liquid depends on both its height (depth) and weight density (weight per unit volume), which is shown in equation form:
PL = h ? dw.
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