A steel disc of outer radius r = 173.0 mm and is pivoted about its centre...

 

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A steel disc of outer radius r₁ = 173.0 mm and is pivoted about its centre with low friction bearings and is free to rotate. It has a larger steel gear with N₁ = 135 teeth fixed to it, so that the disc and gear rotate together as one rigid body. A cable is wound around the disk and connects a mass of m = 48.0 kg. The large gear with 135 teeth meshes with a smaller gear with N₂ = 30 teeth, mounted on a second shaft as shown in the diagram below. What clockwise torque is required to be applied to the second shaft In order to prevent vertical acceleration of the 48.0 kg mass? Use gravitational acceleration of 9.81 m/s2 downwards, expressing your answer in units of Nm to one decimal place. Do not include a sign as the direction is known. mass m kg N₁ N₂ A steel disc of outer radius r₁ = 173.0 mm and is pivoted about its centre with low friction bearings and is free to rotate. It has a larger steel gear with N₁ = 135 teeth fixed to it, so that the disc and gear rotate together as one rigid body. A cable is wound around the disk and connects a mass of m = 48.0 kg. The large gear with 135 teeth meshes with a smaller gear with N₂ = 30 teeth, mounted on a second shaft as shown in the diagram below. What clockwise torque is required to be applied to the second shaft In order to prevent vertical acceleration of the 48.0 kg mass? Use gravitational acceleration of 9.81 m/s2 downwards, expressing your answer in units of Nm to one decimal place. Do not include a sign as the direction is known. mass m kg N₁ N₂