What if everyone jumped at once?
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Let’s Begin…
If every action has an equal and opposite reaction, what kind of physical action would it take for the earth to notice us?
Check out Vsauce's video on what would happen if everyone on Earth got together and jumped.
Check out Vsauce's video on what would happen if everyone on Earth got together and jumped.
Create and share a new lesson based on this one.
Additional Resources for you to Explore
Watch these recommended TED-Ed Lessons
An athlete uses physics to shatter world records
When Dick Fosbury couldn't compete against the skilled high jumpers at his college, he tried jumping in a different way -- backwards. Fosbury improved his record immediately and continued to amaze the world with his new technique all the way to Olympic gold. Asaf Bar-Yosef explains the physics behind the success of the now dominant Fosbury Flop.
Football physics: The "impossible" free kick
In 1997, Brazilian football player Roberto Carlos set up for a 35 meter free kick with no direct line to the goal. Carlos’s shot sent the ball flying wide of the players, but just before going out of bounds it hooked to the left and soared into the net. How did he do it? Erez Garty describes the physics behind one of the most magnificent goals in the history of football.
Additional references
What is Newton's third law? - Khan Academy
You probably know that the Earth pulls down on you. What you might not realize is that you are also pulling up on the Earth. For example, if the Earth is pulling down on you with a gravitational force of 500 N, you are also pulling up on the Earth with a gravitational force of 500 N. This remarkable fact is a consequence of Newton's third law.
Quiz: Population 7 billion—could we all fit in one city? - National Geographic
Could all humans fit in one city? Is the most typical person a woman? Get answers in our quiz on the human population reaching seven billion.
Vsauce provided some excellent supplemental information for this lesson:
Japan Earthquake and Earth's rotation
All people in one place LIVING shoulder-to-shoulder
BBC Jump Video
SCALE OF UNIVERSE AWESOME
STRAIGHTDOPE article on a jump
Dot Physics on the jump
Interactive scale of the universe
Decimate
Dunbar's Number
NPR story on Dunbar's number
Life Expectency
How many people you meet in your life
Newton's Third Law
Why videos views freeze in the 300s on YouTube
An athlete uses physics to shatter world records
When Dick Fosbury couldn't compete against the skilled high jumpers at his college, he tried jumping in a different way -- backwards. Fosbury improved his record immediately and continued to amaze the world with his new technique all the way to Olympic gold. Asaf Bar-Yosef explains the physics behind the success of the now dominant Fosbury Flop.
Football physics: The "impossible" free kick
In 1997, Brazilian football player Roberto Carlos set up for a 35 meter free kick with no direct line to the goal. Carlos’s shot sent the ball flying wide of the players, but just before going out of bounds it hooked to the left and soared into the net. How did he do it? Erez Garty describes the physics behind one of the most magnificent goals in the history of football.
Additional references
What is Newton's third law? - Khan Academy
You probably know that the Earth pulls down on you. What you might not realize is that you are also pulling up on the Earth. For example, if the Earth is pulling down on you with a gravitational force of 500 N, you are also pulling up on the Earth with a gravitational force of 500 N. This remarkable fact is a consequence of Newton's third law.
Quiz: Population 7 billion—could we all fit in one city? - National Geographic
Could all humans fit in one city? Is the most typical person a woman? Get answers in our quiz on the human population reaching seven billion.
Vsauce provided some excellent supplemental information for this lesson:
Japan Earthquake and Earth's rotation
All people in one place LIVING shoulder-to-shoulder
BBC Jump Video
SCALE OF UNIVERSE AWESOME
STRAIGHTDOPE article on a jump
Dot Physics on the jump
Interactive scale of the universe
Decimate
Dunbar's Number
NPR story on Dunbar's number
Life Expectency
How many people you meet in your life
Newton's Third Law
Why videos views freeze in the 300s on YouTube
Create and share a new lesson based on this one.
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