Uniform Circular Motion
Flashcard
•
Physics
•
11th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Uniform Circular Motion?
Back
Uniform Circular Motion is the motion of an object traveling at a constant speed in a circular path. The direction of the object's velocity is continuously changing, which means the object is accelerating even though its speed remains constant.
2.
FLASHCARD QUESTION
Front
What is the formula for centripetal acceleration?
Back
Centripetal acceleration (a_c) is given by the formula: a_c = v²/r, where v is the tangential speed and r is the radius of the circular path.
3.
FLASHCARD QUESTION
Front
How do you calculate the tangential speed of an object in uniform circular motion?
Back
Tangential speed (v) can be calculated using the formula: v = r * ω, where r is the radius and ω is the angular velocity in radians per second.
4.
FLASHCARD QUESTION
Front
What is the relationship between centripetal force and mass in uniform circular motion?
Back
Centripetal force (F_c) is directly proportional to the mass (m) of the object and the centripetal acceleration (a_c): F_c = m * a_c.
5.
FLASHCARD QUESTION
Front
What is the direction of centripetal acceleration in uniform circular motion?
Back
Centripetal acceleration always points towards the center of the circular path.
6.
FLASHCARD QUESTION
Front
What is the difference between centripetal force and centrifugal force?
Back
Centripetal force is the real force that acts on an object moving in a circular path, directed towards the center. Centrifugal force is a fictitious force that appears to act outward on a mass moving in a circular path, perceived in a rotating reference frame.
7.
FLASHCARD QUESTION
Front
If an object moves in a circle of radius 2 m at a speed of 4 m/s, what is its centripetal acceleration?
Back
Centripetal acceleration (a_c) = v²/r = (4 m/s)² / (2 m) = 8 m/s².
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