
Momentum, Collisions & Impulse
Flashcard
•
Physics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is momentum?
Back
Momentum is the product of an object's mass and its velocity, represented by the formula p = mv, where p is momentum, m is mass, and v is velocity.
2.
FLASHCARD QUESTION
Front
What happens to momentum in a closed system during a collision?
Back
In a closed system, the total momentum before the collision is equal to the total momentum after the collision, according to the law of conservation of momentum.
3.
FLASHCARD QUESTION
Front
Define impulse.
Back
Impulse is the change in momentum of an object when a force is applied over a period of time, calculated as impulse = force × time.
4.
FLASHCARD QUESTION
Front
How does increasing collision time affect impact force?
Back
Increasing collision time decreases the impact force, as the same change in momentum is spread over a longer time period.
5.
FLASHCARD QUESTION
Front
What is the formula for calculating momentum?
Back
The formula for calculating momentum is p = mv, where p is momentum, m is mass, and v is velocity.
6.
FLASHCARD QUESTION
Front
If a 0.15 kg object is rolling at 2 m/s, what is its momentum?
Back
The momentum is p = mv = 0.15 kg × 2 m/s = 0.3 kg m/s.
7.
FLASHCARD QUESTION
Front
What is the effect of mass on momentum?
Back
Momentum increases with mass; a heavier object moving at the same velocity has greater momentum than a lighter object.
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