What is the primary difference between traditional and launched roller coasters in terms of energy?

Understanding Energy and Work in Physics

Interactive Video
•

Jackson Turner
•
Physics, Science
•
8th - 12th Grade
•
11 plays
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Easy
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Traditional coasters start with kinetic energy.
Launched coasters start with potential energy.
Traditional coasters start with potential energy.
Launched coasters do not use energy.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of physics, what does 'work' represent?
The amount of force applied.
The energy transferred by a force.
The speed of an object.
The distance an object moves.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a force acts in the opposite direction of an object's motion?
The object remains stationary.
The object gains energy.
The object speeds up.
The object loses energy.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of a force acting perpendicular to the direction of motion?
It increases the object's speed.
It does zero work.
It decreases the object's speed.
It changes the object's mass.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the work-energy theorem, what happens if the net work done on an object is zero?
The object's kinetic energy increases.
The object's kinetic energy decreases.
The object's potential energy decreases.
The object's kinetic energy remains the same.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is power defined in the context of physics?
The distance covered per unit time.
The amount of force applied.
The rate of doing work.
The total energy consumed.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What unit is used to measure power in the International System of Units?
Joule
Newton
Watt
Horsepower
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a kilowatt-hour measure?
The voltage of an electrical circuit.
The speed of an electrical current.
The energy consumed by a device over time.
The power of an electrical device.
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between horsepower and watts?
1 horsepower is equal to 100 watts.
1 horsepower is equal to 746 watts.
1 horsepower is equal to 1000 watts.
1 horsepower is equal to 500 watts.
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do motors in a launched roller coaster increase its kinetic energy?
By reducing friction.
By increasing gravitational potential energy.
By transferring energy through work.
By applying a force in the opposite direction.
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