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Question
Name a physical quantity that remains constant in a uniform circular motion.
Name a physical quantity that remains constant in a uniform circular motion.
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Solution
The correct option is D Angular speed
As an object moves around in a circle at constant speed (uniform circular motion), both the velocity and the acceleration change. The magnitudes of the velocity and acceleration don't change, but since velocity and acceleration are vectors, the fact that their directions change means that they change. Momentum is directly proportional to the velocity of the body and hence it changes.
In the uniform circular motion, the angular speed is same for all the particles,
As an object moves around in a circle at constant speed (uniform circular motion), both the velocity and the acceleration change. The magnitudes of the velocity and acceleration don't change, but since velocity and acceleration are vectors, the fact that their directions change means that they change.
Momentum is directly proportional to the velocity of the body and hence it changes.
In the uniform circular motion, the angular speed is same for all the particles,
In the uniform circular motion, the angular speed is same for all the particles,
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