Potential Energy Worksheet
Explore the concepts of gravitational potential energy and elastic potential energy through various problems and scenarios.
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Potential Energy Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. Which of the following statements is true about gravitational potential energy?
It is directly proportional to mass and inversely proportional to height.
It depends on the path taken to reach a certain height.
It is calculated using the formula PE = mgh.
It is a form of kinetic energy.
2. A spring is stretched by a force. The elastic potential energy stored in the spring is proportional to:
The extension of the spring.
The square of the extension of the spring.
The spring constant.
The mass attached to the spring.
3. Gravitational potential energy is the energy an object possesses due to its in a gravitational field.
4. The unit of potential energy is the .
5. Elastic potential energy is stored in objects that are or .
6. A 5 kg object is lifted to a height of 10 meters. Calculate its gravitational potential energy. (Assume g = 9.8 m/s²)
7. A spring with a spring constant of 200 N/m is stretched by 0.15 meters. How much elastic potential energy is stored in the spring?
8. Potential energy can be negative.
True
False
9. A pendulum at its highest point has maximum kinetic energy and minimum potential energy.
True
False
10. A roller coaster car of mass 800 kg is at the top of a hill, 40 meters above the ground. Calculate its gravitational potential energy at this point. If it then descends to a height of 15 meters, what is the change in its potential energy? (Assume g = 9.8 m/s²)