This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.
ScanSolve AI Answer
15. c) iv) Moving upwards with a constant velocity of 6 \, m/s. Step 1: Identify the given values. Mass m = 80 \, kg. Acceleration a = 0 \, m/s^2 (constant velocity means zero acceleration). Acceleration due to gravity g = 9.8 \, m/s^2. Step 2: Apply Newton's second law. When moving at a constant velocity, the net force is zero. The normal force N exerted by the floor on the man balances the man's weight mg. N - mg = ma N - mg = m(0) N