
Understanding Angular Momentum

Interactive Video
•
Physics, Science
•
9th - 12th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to an ice skater's angular speed when they tuck their arms in?
It decreases.
It remains the same.
It fluctuates randomly.
It increases.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a closed system with no external torque, what happens to the angular momentum?
It remains constant.
It decreases.
It increases.
It becomes zero.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does external torque play in the conservation of angular momentum?
It has no effect.
It always decreases angular momentum.
It can change the angular momentum.
It always increases angular momentum.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of a clay clump colliding with a spinning disc if the system is defined as just the disc?
No change in angular momentum.
Angular momentum increases.
External torque is applied.
Angular momentum decreases.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is angular momentum calculated?
Mass times acceleration.
Moment of inertia times angular speed.
Force times distance.
Mass times velocity.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between moment of inertia and angular speed when angular momentum is constant?
They are directly proportional.
They are inversely proportional.
They are equal.
They are unrelated.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the absence of external torque, what must happen if the radius of rotation decreases?
Angular momentum must increase.
Angular speed must increase.
Angular speed must decrease.
Angular momentum must decrease.
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