PE/KE and Newton's Laws Review

1. At which point would the rollercoaster have the greatest potential energy and the least kinetic energy?

• A. 1
• B. 2
• C. 3
• D. 4

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2. At which point would the rollercoaster have the greatest kinetic energy and the least potential energy?

• A. 1
• B. 2
• C. 3
• D. 4

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3. What is happening to the kinetic energy of the rollercoaster as it travels from Point 2 to Point 3?

• A. The kinetic energy is decreasing
• B. The kinetic energy is increasing
• C. The kinetic energy is not changing
• D. There is no kinetic energy

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4. What is happening to the potential energy of the rollercoaster as it travels from Point 3 to Point 4?

• A. The potential energy is decreasing
• B. The potential energy is increasing
• C. The potential energy is not changing
• D. There is no potential energy

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NGSS.MS-PS3-2

5. At which two points on the diagram would the gravitational potential energy of the rollercoaster be approximately the same?

• A. 1 and 2
• B. 2 and 3
• C. 3 and 4
• D. 2 and 4

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6. What is the relationship between potential and kinetic energy?

• A. As potential energy increases, kinetic energy increases
• B. As potential energy decreases, kinetic energy decreases
• C. As potential energy increases, kinetic energy decreases
• D. There is no relationship between potential and kinetic energy

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7. Which of the following are forms of potential energy?

• A. Gravitational, elastic, magnetic, chemical, electrostatic, and nuclear
• B. Mechanical, elastic, chemical, thermal, and sound
• C. Chemical, nuclear, thermal, electrical, and electromagnetic
• D. Thermal, mechanical, sound, electrical, and electromagnetic

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8. Which of the following are examples of kinetic energy?

• A. Gravitational, elastic, magnetic, chemical, electrostatic, and nuclear
• B. Mechanical, elastic, chemical, thermal, and sound
• C. Chemical, nuclear, thermal, electrical, and electromagnetic
• D. Thermal, mechanical, sound, electrical, and electromagnetic

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9. Which of the following represents potential energy transforming into kinetic energy?

• A. A marble rolling across the floor and eventually coming to a stop
• B. A dog running around the yard while playing
• C. A car driving on the highway at a constant speed
• D. A person falling toward the ground while skydiving

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18. A person’s body is forced back into their seat when an airplane suddenly accelerates during takeoff. Which law of motion does this demonstrate?

• A. Newton’s 1st Law
• B. Newton’s 2nd Law
• C. Newton’s 3rd Law
• D. Newton did not have cars in his time so he was not able to observe this kind of motion.