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 = 10) filled upto a height o f 1.0 m as shown in figure. Taking the case `theta =- 0^(@)` the force exerted by the hings on the rod is `(g = 10 m//s^(2))`

A thin uniform rod of length 2l and specific gravity 3/4 is hinged at one end to height l/2 above the surface of water, with the other end immersed. Find the inclination of rod in equilibrium

A rod OA of mass 4 kg is held in horizontal position by a massless string AB as shown in figure. Length of the rod is 2 m . Find (a) tension in the string (b) net force exerted by hings on the rod. (g = 10 m//s^(2))

A rod OA of mass 4 kg is held in horizontal position by a massless string AB as shown in figure. Length of the rod is 2 m . Find (a) tension in the string (b) net force exerted by hings on the rod. (g = 10 m//s^(2))

A 10kg ball attached at the end of a rigid massless rod of lengh 1m rotates at constant speed in a horizontal circle of radius 0.5m and period of 1.58s , as shown in the figure. The force exerted by the rod on the ball is (g=10ms^(-2))

A 10kg ball attached at the end of a rigid massless rod of lengh 1m rotates at constant speed in a horizontal circle of radius 0.5m and period of 1.58s , as shown in the figure. The force exerted by the rod on the ball is (g=10ms^(-2))

The work done in lifting a body of mass 20 kg and specific gravity 3.2 to a height of 8m in water is (g=10ms^(-2))

The wooden plank of length 1 m and uniform cross section is hinged at one end to the bottom of a tank as shown in figure. The tank is filled with water up to a height of 0.5 m. The specific gravity of the plank is 0.5. Find the angle theta that the plank makes with the vertical in the equilibrium position. (Exclude the case theta=0 ) ,

The wooden plank of length 1 m and uniform cross section is hinged at one end to the bottom of a tank as shown in figure. The tank is filled with water up to a height of 0.5 m. The specific gravity of the plank is 0.5. Find the angle theta that the plank makes with the vertical in the equilibrium position. (Exclude the case theta=0 ) ,

The wooden plank of length 1 m and uniform cross section is hinged at one end to the bottom of a tank as shown in figure. The tank is filled with water up to a height of 0.5 m. The specific gravity of the plank is 0.5. Find the angle theta that the plank makes with the vertical in the equilibrium position. (Exclude the case theta=0 ) ,