question_answer

  What will be the weight felt by a man of mass (m) accelerating up with a lift by a m/s2 upwards?

Answer:

                  Consider a man of mass (m) standing inside a lift. The force acting are indicated as shown below. The net force should provide the necessary acceleration to the man so that he is accelerated along with the lift.                (1) So, he feels more weight than usual.            (1)