A body of mass 10 kg is lifted to a height of 5 m. What is the work done?
Q1. A body of mass 10 kg is lifted to a height of 5 m. What is the work done?
Answer: 490 J
Explanation: Work done = mgh = 10 * 9.8 * 5 = 490 J, using the formula for work done against gravity.