Question: What is the potential energy of a 10 kg object at a height of 5 meters?

Options:

1. 50 J
2. 100 J
3. 150 J
4. 200 J

Correct Answer: 100 J

Solution:

Potential energy is calculated using PE = m * g * h. Assuming g = 10 m/s^2, PE = 10 kg * 10 m/s^2 * 5 m = 500 J.