90-m-long, 300 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 65....

A 2.90-m-long, 300 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 65.0 kg construction worker stands at the far end of the beam. What is the magnitude of the torque about the point where the beam is bolted into place?