Question

Evelyn lifts a 180-kg barbell to a height of 1.95 m. What is the increase in the potential energy of the barbell?

Answer 1

m * g * h = 180 * 9.8 * 1.95 ... Joules

Answer 2

A weight lifter raises a 185 kg barbell from the ground to a height of 1.5 m. What is the barbell's potential energy?