A body of mass 5 kg is lifted to a height of 10 m. What is the potential energy gained?
Q1. A body of mass 5 kg is lifted to a height of 10 m. What is the potential energy gained?
Answer: 490 J
Explanation: Potential energy PE = mgh. Using g = 9.8 m/s²: PE = 5 × 9.8 × 10 = 490 J.