A 4 m long, 500 kg uniform steel beam extends horizontally from the point where it is attached to a wall. A 70 kg construction worker stands on the far end of the beam. The system is in static equilibrium. What is the magnitude of the torque exerted by the wall on the beam

Which word expression describes how much to calculate pressure

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane

Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.