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

Another word for electromagnetic energy is a. heat b. force c. matter d. radiation

Aloop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. a loop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. moving the loop outside of the magnetic field region. spin the loop such that its axis does not consistently line up with the magnetic field direction. change the magnitude of the magnetic field. change the diameter of the loop

Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?