Question

If a weightlifter used 1,200 newtons of force to lift a barbell to a height of 2.5 meters in 3 seconds, how much work did he do? A. 500 J B. 1,000 J C. 3,000 J D. 3,600 J

Answer 1

C.)  Work done = Force x displacement = 1200 x 2.5 = 3000 J. Hope this helps!