<p>Mercury is filled in a tube of radius&nbsp; 2cm up to a height of 30cm . The force exerted by mercury on the bottom of the tube is _________ N.</p>

<p>(Given, atmospheric pressure =&nbsp;<span class="equation">\(10^5Nm^{-2}\)</span>, density of mercury =&nbsp;<span class="equation">\(1.36\times 10^4kg m^{-3}, g = 10 ms^{-2}, \pi = \frac{22}{7}\)</span>)​​​​​​​</p>