Question

A metallic rod of mass 20kg and of uniform thickness rests against a wall while the lower end of Rod is in contact with rough floor . The rod makes an angle 60° with the floor . If the weight of the rod produces torque 150N about it's lower end the length of the rod is (g=10ms^-2

Answer 1

The rod makes an angle 60 degrees with rough floor.The weight of rod produces a torque 150Nm about its lower end  .