Determine the torque acting on a wheel of radius 20 mm if a tangential force of 1 kN is applied to the wheel rim. A 100 mm diameter bar is being turned on a lathe. If the force on the cutting tool,...

Determine the torque acting on a wheel of radius 20 mm if a tangential force of 1 kN is applied to the wheel rim.

A 100 mm diameter bar is being turned on a lathe. If the force on the cutting tool, which is tangential to the surface of the bar, is 1.2 kN, what is the torque being applied?