
Understanding Rotational Kinetic Energy
Interactive Video
•
Physics, Science
•
9th - 12th Grade
•
Hard

Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for rotational kinetic energy?
I alpha
1/2 I omega^2
mgh
1/2 mv^2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an analogy for angular displacement?
F = ma
s = r theta
v = r omega
a = r alpha
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the translational kinetic energy of an object?
1/2 I omega^2
F = ma
mgh
1/2 mv^2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for translational kinetic energy?
1/2 mv^2
F = ma
1/2 I omega^2
mgh
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to an ice skater's angular velocity when she pulls her arms in?
It decreases
It remains the same
It becomes zero
It increases
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the moment of inertia is halved and angular velocity is doubled, what happens to the rotational kinetic energy?
It remains the same
It is halved
It is doubled
It quadruples
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the moment of inertia for a solid sphere?
2/5 MR^2
1/2 MR^2
MR^2
3/5 MR^2
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