A body of mass 5 kg is lifted to a height of 10 m. What is its potential energy?
Q1. A body of mass 5 kg is lifted to a height of 10 m. What is its potential energy?
Answer: 490 J
Explanation: Potential energy = mgh = 5 * 9.8 * 10 = 490 J, using the formula for gravitational potential energy.