The video explains potential and kinetic energy, using a roller coaster as an example. It describes how energy transfers between potential and kinetic forms during a roller coaster ride. The video also provides guidance on building a roller coaster, emphasizing the importance of managing energy to ensure the ride functions correctly.

What type of energy is described as motion waiting to happen?

• Kinetic energy

• Thermal energy

• Electrical energy

• Potential energy

What energy type is in motion?

• Chemical energy

• Nuclear energy

• Potential energy

• Kinetic energy

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At what speed does the roller coaster reach during the ride?

• 80 mph

• 120 mph

• 100 mph

• 60 mph

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What occurs at the highest point of the roller coaster ride?

• Minimum energy

• Maximum kinetic energy

• Maximum potential energy

• Energy dissipation

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What happens to the potential energy as the cart starts descending?

• It decreases

• It is transferred to kinetic energy

• It remains constant

• It increases

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How does kinetic energy change as the roller coaster cart descends?

• Decreases

• Increases

• Stays the same

• Becomes potential energy

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Which forces contribute to ending the energy tug-of-war in a roller coaster?

• Friction and brakes

• Wind and weight

• Momentum and speed

• Gravity and resistance

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What is the result if a roller coaster's drop is too steep?

• The cart may stop

• The cart speeds up

• The cart may fly off the track

• The ride becomes safer

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What is necessary to keep the cart moving through loops?

• Sufficient potential energy

• Maximum potential energy

• Minimal kinetic energy

• Sufficient kinetic energy

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What should you do if your roller coaster model does not work initially?

• Discard it

• Modify and adjust it

• Sell it

• Use it as is

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