Kinetic and Potential Energy Worksheets - Free Printable
Educational worksheet: Kinetic and Potential Energy Worksheets. Download and print for classroom or home learning activities.
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Step-by-step solution for: Kinetic and Potential Energy Worksheets
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Show Answer Key & Explanations
Step-by-step solution for: Kinetic and Potential Energy Worksheets
Let's solve this worksheet step by step. The goal is to identify whether each object has potential energy, kinetic energy, or both, based on its state.
- Potential Energy (PE): Stored energy due to position, shape, or state.
- Gravitational potential energy: due to height above the ground.
- Elastic potential energy: stored in stretched or compressed objects (like rubber bands).
- Kinetic Energy (KE): Energy of motion.
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Now, let’s go through each item:
1. An apple falling from a tree
→ It is moving downward, so it has kinetic energy.
Also, it still has some height, so it has gravitational potential energy.
✔ Both potential and kinetic energy
2. A stationary ball on the ground
→ Not moving → no kinetic energy.
→ On the ground → no height → no gravitational potential energy.
✔ No energy (or negligible; mostly zero)
But if we consider only forms mentioned, it has neither significant potential nor kinetic energy.
→ Answer: Neither (or zero)
3. A sleeping dog
→ Not moving → no kinetic energy.
→ At rest on the ground → no significant height → no gravitational potential energy.
✔ Neither (but if considering internal biological energy, that's not mechanical)
→ For this context: Neither
4. A boy running across the street
→ He is moving → has kinetic energy.
→ No mention of height → no significant potential energy.
✔ Kinetic energy
5. A car traveling on the road
→ Moving → kinetic energy.
→ On flat ground → no significant potential energy.
✔ Kinetic energy
6. A stretched rubber band
→ Stretched → stores elastic potential energy.
→ Not moving → no kinetic energy.
✔ Potential energy (elastic)
7. A basketball being thrown
→ In motion → has kinetic energy.
→ Also has height (if thrown upward), so it also has gravitational potential energy.
✔ Both potential and kinetic energy
8. A girl biking at the park
→ Moving → kinetic energy.
→ If on flat ground, no significant potential energy.
✔ Kinetic energy
9. A leaf lying on the ground
→ Not moving → no kinetic energy.
→ On the ground → no height → no potential energy.
✔ Neither
10. A planet revolving around a star
→ Orbiting → moving → kinetic energy.
→ Also has gravitational potential energy due to its position in the star's gravitational field.
✔ Both potential and kinetic energy
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1. An apple falling from a tree → Both potential and kinetic energy
2. A stationary ball on the ground → Neither
3. A sleeping dog → Neither
4. A boy running across the street → Kinetic energy
5. A car traveling on the road → Kinetic energy
6. A stretched rubber band → Potential energy
7. A basketball being thrown → Both potential and kinetic energy
8. A girl biking at the park → Kinetic energy
9. A leaf lying on the ground → Neither
10. A planet revolving around a star → Both potential and kinetic energy
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✔ These answers reflect the mechanical forms of energy (kinetic and potential) as expected in basic physics education.
Key Concepts:
- Potential Energy (PE): Stored energy due to position, shape, or state.
- Gravitational potential energy: due to height above the ground.
- Elastic potential energy: stored in stretched or compressed objects (like rubber bands).
- Kinetic Energy (KE): Energy of motion.
---
Now, let’s go through each item:
1. An apple falling from a tree
→ It is moving downward, so it has kinetic energy.
Also, it still has some height, so it has gravitational potential energy.
✔ Both potential and kinetic energy
2. A stationary ball on the ground
→ Not moving → no kinetic energy.
→ On the ground → no height → no gravitational potential energy.
✔ No energy (or negligible; mostly zero)
But if we consider only forms mentioned, it has neither significant potential nor kinetic energy.
→ Answer: Neither (or zero)
3. A sleeping dog
→ Not moving → no kinetic energy.
→ At rest on the ground → no significant height → no gravitational potential energy.
✔ Neither (but if considering internal biological energy, that's not mechanical)
→ For this context: Neither
4. A boy running across the street
→ He is moving → has kinetic energy.
→ No mention of height → no significant potential energy.
✔ Kinetic energy
5. A car traveling on the road
→ Moving → kinetic energy.
→ On flat ground → no significant potential energy.
✔ Kinetic energy
6. A stretched rubber band
→ Stretched → stores elastic potential energy.
→ Not moving → no kinetic energy.
✔ Potential energy (elastic)
7. A basketball being thrown
→ In motion → has kinetic energy.
→ Also has height (if thrown upward), so it also has gravitational potential energy.
✔ Both potential and kinetic energy
8. A girl biking at the park
→ Moving → kinetic energy.
→ If on flat ground, no significant potential energy.
✔ Kinetic energy
9. A leaf lying on the ground
→ Not moving → no kinetic energy.
→ On the ground → no height → no potential energy.
✔ Neither
10. A planet revolving around a star
→ Orbiting → moving → kinetic energy.
→ Also has gravitational potential energy due to its position in the star's gravitational field.
✔ Both potential and kinetic energy
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Final Answers:
1. An apple falling from a tree → Both potential and kinetic energy
2. A stationary ball on the ground → Neither
3. A sleeping dog → Neither
4. A boy running across the street → Kinetic energy
5. A car traveling on the road → Kinetic energy
6. A stretched rubber band → Potential energy
7. A basketball being thrown → Both potential and kinetic energy
8. A girl biking at the park → Kinetic energy
9. A leaf lying on the ground → Neither
10. A planet revolving around a star → Both potential and kinetic energy
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✔ These answers reflect the mechanical forms of energy (kinetic and potential) as expected in basic physics education.
Parent Tip: Review the logic above to help your child master the concept of potential vs kinetic energy worksheet.
