Unit 4 Pre Assessment

Flashcard
•
Physics
•
11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for calculating tangential velocity in circular motion?
Back
Tangential velocity (v) = radius (r) × angular velocity (ω).
2.
FLASHCARD QUESTION
Front
Define uniform circular motion.
Back
Uniform circular motion is the motion of an object traveling at a constant speed along a circular path.
3.
FLASHCARD QUESTION
Front
What happens to the velocity of an object in uniform circular motion when the centripetal force is removed?
Back
The object will move in a straight line at a constant velocity due to inertia.
4.
FLASHCARD QUESTION
Front
State Newton's law of universal gravitation.
Back
Every point mass attracts every other point mass with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
5.
FLASHCARD QUESTION
Front
What is the relationship between gravitational force and distance according to Newton's law of universal gravitation?
Back
Gravitational force decreases with the square of the distance between two masses.
6.
FLASHCARD QUESTION
Front
How does mass affect gravitational force?
Back
Gravitational force increases with the mass of the objects involved.
7.
FLASHCARD QUESTION
Front
What is the significance of unbalanced forces in motion?
Back
Unbalanced forces cause an object to accelerate or change its state of motion.
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