A strip of steel 2 mm thick passes over a pulley. Determine the diameter of the pulley needed if the stress in the steel strip must not exceed 100 MPa as a result of it bending to follow the...

A strip of steel 2 mm thick passes over a pulley. Determine the diameter of the pulley needed if the stress in the steel strip must not exceed 100 MPa as a result of it bending to follow the circumference of the pulley. The steel has a modulus of elasticity of 210 GPa.