Q1. 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 torque about the point where the beam is bolted into place?
Q2. A heavy piece of hanging sculpture is suspended by a 146.0 cm long, 8.03 gm wire. When the wind blows hard, wire hums at its fundamental frequency of 113.0 Hz. What is the mass of the sculpture (in kg) assume that the local acceleration due to gravity is 9.80 m/s2?