Concept Check 5.1-3

Flashcard
•
Physics
•
11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to an object if its center of gravity is not over its area of support?
Back
The object will fall over.
2.
FLASHCARD QUESTION
Front
How do you calculate angular acceleration?
Back
Angular acceleration (α) is calculated using the formula: α = (final angular speed - initial angular speed) / time.
3.
FLASHCARD QUESTION
Front
What is the relationship between angular displacement, angular speed, and time?
Back
Angular displacement (θ) = angular speed (ω) × time (t).
4.
FLASHCARD QUESTION
Front
What is moment of inertia?
Back
Moment of inertia is a measure of an object's resistance to changes in its rotation, depending on the mass distribution relative to the axis of rotation.
5.
FLASHCARD QUESTION
Front
How does mass distribution affect moment of inertia?
Back
The further the mass is from the axis of rotation, the greater the moment of inertia.
6.
FLASHCARD QUESTION
Front
What is the formula for calculating angular displacement when angular acceleration is constant?
Back
θ = ω_initial × t + 0.5 × α × t².
7.
FLASHCARD QUESTION
Front
If a fan blade rotates with a constant angular acceleration, how can you find its final angular speed?
Back
Use the formula: ω_final = ω_initial + α × t.
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