The video tutorial explores the physics behind roller coasters, focusing on energy transformations. It begins with safety instructions, then explains how a chain lift helps the coaster gain potential energy. As the coaster descends, potential energy converts to kinetic energy, increasing speed. The video discusses the conservation of mechanical energy and how friction eventually stops the ride by converting energy into heat.

What should you do to ensure your safety during the ride?

• Stand up during the ride

• Lean forward

• Fasten your seat belts and hold on tight

• Keep your hands outside the car

What helps the roller coaster climb up the hill?

• Wind

• A chain lift

• Gravity

• Brakes

What type of energy does the roller coaster gain at the top of the hill?

• Kinetic energy

• Thermal energy

• Potential energy

• Mechanical energy

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What happens to the roller coaster's potential energy as it descends?

• It remains the same

• It disappears

• It converts into thermal energy

• It converts into kinetic energy

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Why does the roller coaster speed increase near the bottom of the track?

• Because of increased kinetic energy

• Because of decreased kinetic energy

• Because of increased potential energy

• Because of decreased potential energy

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What remains constant in the roller coaster system?

• Potential energy

• Kinetic energy

• Mechanical energy

• Thermal energy

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What is the sum of potential and kinetic energy in a system called?

• Mechanical energy

• Thermal energy

• Nuclear energy

• Chemical energy

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What law does the roller coaster follow regarding energy?

• Law of inertia

• Law of thermodynamics

• Law of conservation of energy

• Law of motion

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What causes the roller coaster to eventually stop?

• Potential energy

• Friction

• Wind

• Gravity

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What form of energy is transferred due to friction?

• Mechanical energy

• Potential energy

• Kinetic energy

• Thermal energy

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