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

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

Solution: In uniform circular motion, the speed remains constant, but 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 remains constant 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 over time. In circular motion, the direction of the velocity changes, so the acceleration also changes direction.
Step 6: Conclude that in uniform circular motion, the only quantity that remains constant is speed.