A uniform rod of length 2.0 m, specific gravity 0.5 and mass 2 kg is hinged at one end to the bottom of a tank of water (specific gravity = 1.0) filled upto a height of 1.0 m as shown in the figure. Taking the case θ≠0∘, the force exerted by the hinge on the rod is (g=10 m/s2)