In a uniform circular motion, which of the following quantities remains constant?

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Q: In a uniform circular motion, which of the following quantities remains constant?

Solution: In uniform circular motion, speed remains constant while velocity and acceleration change direction.

Steps: 6

Step 1: Understand what uniform circular motion means. It is when an object moves in a circle at a constant speed.
Step 2: Identify the key quantities involved: speed, velocity, and acceleration.
Step 3: Recognize that speed is the distance traveled per unit of time and does not change in uniform circular motion.
Step 4: Understand that velocity includes both speed and direction. Since the direction of the object is constantly changing in a circle, the velocity is not constant.
Step 5: Know that acceleration is the change in velocity. In circular motion, even though speed is constant, the direction of velocity changes, which means there is acceleration acting towards the center of the circle.
Step 6: Conclude that in uniform circular motion, the only quantity that remains constant is speed.