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If an object moves in a circular path with uniform ________, its motion is called uniform circular motion.
- a)Speed
- b)Time
- c)Velocity
- d)Acceleration
Correct answer is option 'A'. Can you explain this answer?
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If an object moves in a circular path with uniform ________, its motio...
If an object moves in a circular path with uniform speed, its motion is called uniform circular motion.
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Understanding Uniform Circular Motion
Uniform circular motion refers to the motion of an object traveling in a circular path at a constant speed. Here’s a detailed breakdown of why the correct answer is option 'A':
Constant Speed
- In uniform circular motion, the speed of the object remains constant throughout the motion.
- Although the object travels in a circular path, the magnitude of its velocity (speed) does not change.
Velocity Changes
- While the speed is constant, the direction of the velocity vector changes continuously as the object moves along the circle.
- Velocity is a vector quantity, meaning it has both magnitude and direction. Even with constant speed, the changing direction leads to a change in velocity.
Centripetal Acceleration
- Since the direction of the velocity is changing, the object experiences centripetal acceleration directed towards the center of the circular path.
- This acceleration is responsible for keeping the object in circular motion, but it does not affect the speed.
Implications of Uniform Circular Motion
- Key characteristics include constant speed, continuous change in direction, and the presence of centripetal acceleration.
- Uniform circular motion is a fundamental concept in physics, applicable in various scenarios, from satellites orbiting Earth to cars turning around a circular track.
In conclusion, uniform circular motion is defined by the constancy of speed while the object changes direction, making option 'A' the correct choice.
Uniform circular motion refers to the motion of an object traveling in a circular path at a constant speed. Here’s a detailed breakdown of why the correct answer is option 'A':
Constant Speed
- In uniform circular motion, the speed of the object remains constant throughout the motion.
- Although the object travels in a circular path, the magnitude of its velocity (speed) does not change.
Velocity Changes
- While the speed is constant, the direction of the velocity vector changes continuously as the object moves along the circle.
- Velocity is a vector quantity, meaning it has both magnitude and direction. Even with constant speed, the changing direction leads to a change in velocity.
Centripetal Acceleration
- Since the direction of the velocity is changing, the object experiences centripetal acceleration directed towards the center of the circular path.
- This acceleration is responsible for keeping the object in circular motion, but it does not affect the speed.
Implications of Uniform Circular Motion
- Key characteristics include constant speed, continuous change in direction, and the presence of centripetal acceleration.
- Uniform circular motion is a fundamental concept in physics, applicable in various scenarios, from satellites orbiting Earth to cars turning around a circular track.
In conclusion, uniform circular motion is defined by the constancy of speed while the object changes direction, making option 'A' the correct choice.
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If an object moves in a circular path with uniform ________, its motion is called uniform circular motion.a)Speedb)Timec)Velocityd)AccelerationCorrect answer is option 'A'. Can you explain this answer?
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