Which of the following changes when a body performs uniform circular motion?*1 pointSpeedMassDirectionEnergy
Question
Which of the following changes when a body performs uniform circular motion?
1 point
- Speed
- Mass
- Direction
- Energy
Solution
In uniform circular motion, the following characteristics change:
- Speed: The speed of the body remains constant; hence, this does not change.
- Mass: The mass of the body remains constant; hence, this does not change.
- Direction: The direction of the body's velocity vector changes continuously as it moves along the circular path.
- Energy: The total mechanical energy remains constant in uniform circular motion if no external work is done on the body.
Conclusion
The only factor that changes in uniform circular motion is the Direction of the body’s motion.
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