Understanding Spinning Disks in the Universe
Interactive Video
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Aiden Montgomery
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Physics, Science
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9th - 12th Grade
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2 plays
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Hard
04:23
10 questions
Show answers
1.
Multiple Choice
What is a common feature of the solar system, Saturn's rings, and spiral galaxies?
They all have a central star.
They are all stationary.
They are all made of solid matter.
They are all spinning disks.
2.
Multiple Choice
What two forces are primarily responsible for the formation of spinning disks in the universe?
Magnetism and friction
Gravity and conservation of angular momentum
Electromagnetism and inertia
Nuclear force and pressure
3.
Multiple Choice
How does the conservation of angular momentum affect a collapsing cloud of dust and gas?
It speeds up the spin.
It slows down the spin.
It stops the spin.
It reverses the spin direction.
4.
Multiple Choice
What everyday example is used to explain the conservation of angular momentum?
A spinning top
An ice skater
A rolling ball
A swinging pendulum
5.
Multiple Choice
What happens to the motion of particles in a cloud as it collapses into a disk?
All particles move downwards.
All particles move upwards.
All motion stops.
Up and down motions cancel out.
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