Impulse
Flashcard
•
Science
•
11th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is impulse?
Back
Impulse is the change in momentum of an object when a force is applied over a period of time. It is calculated as the product of the average force (F) and the time duration (Δt) during which the force acts. Impulse = F × Δt.
2.
FLASHCARD QUESTION
Front
What is the relationship between impulse and momentum?
Back
Impulse is equal to the change in momentum of an object. Mathematically, Impulse = Δp = p_final - p_initial, where p is momentum.
3.
FLASHCARD QUESTION
Front
How is impulse calculated?
Back
Impulse can be calculated using the formula: Impulse = F × Δt, where F is the average force applied and Δt is the time duration.
4.
FLASHCARD QUESTION
Front
What are the units of impulse?
Back
The SI unit of impulse is Newton-seconds (N•s) or kg•m/s.
5.
FLASHCARD QUESTION
Front
What does a positive impulse indicate?
Back
A positive impulse indicates that the momentum of the object is increasing in the positive direction (rightward).
6.
FLASHCARD QUESTION
Front
What does a negative impulse indicate?
Back
A negative impulse indicates that the momentum of the object is decreasing or changing in the negative direction (leftward).
7.
FLASHCARD QUESTION
Front
If a force of +6 N is applied for 4 seconds, what is the impulse?
Back
Impulse = F × Δt = +6 N × 4 s = +24 N•s.
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