# Imagine that a tank is filled with water. The height of the liquid column is 7 meters and the area is 1.5 square meters (m2). What's the force of gravity acting on the column of water? A. 102,900 N B. 110,700 N C. 68,600 N D. 73,500 N

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Jane Share
Jan 20, 2018

A. $102900 N$

#### Explanation:

Here,the water is filled in a cylinder and volume
$\left(v\right)$ occupied by it is l×A i.e 7×1.5 m^3 or $10.5 {m}^{3}$

So,its weight $\left(w\right)$ will be m×g where,$m$ is its mass and $g$ is acceleration due to gravity.

Now,m=rho×v where, $\rho$ = $1000 \frac{K g}{m} ^ 3$

So,w = (1000×10.5×9.8) N or, $102900 N$

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