A tank which is $3 m$ long, $1 m$ wide, and $0.5 m$ deep is filled with oil that weighs $1200 N$ . What is the pressure on the base of the tank due to oil?

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Solution

Step 1: Given data
Length of the tank $(l) = 3 m$ .
Width of the tank $(b) = 1 m$ .
Depth of the tank $(h) = 0.5 m$ .
Weight of oil $(W) = 1200 N$ .
Step 2: Calculation of pressure
$P r e s s u r e = \frac{F o r c e}{A r e a}$
Thus, $P r e s s u r e = \frac{w e i g h t o f t h e o i l (W)}{a r e a o f b a s e (l \times b)}$
$P r e s s u r e = \frac{1200}{3 \times 1} = \frac{1200}{3} P a$
$P r e s s u r e = 400 P a$
Thus, the pressure on the base of the tank due to oil is $400 P a$ .

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