Question: If a wheel rotates with a constant angular velocity, what can be said about its angular acceleration?
Options:
It is zero
It is constant
It is increasing
It is decreasing
Correct Answer: It is zero
Solution:
If the angular velocity is constant, the angular acceleration is zero.
If a wheel rotates with a constant angular velocity, what can be said about its
Practice Questions
Q1
If a wheel rotates with a constant angular velocity, what can be said about its angular acceleration?
It is zero
It is constant
It is increasing
It is decreasing
Questions & Step-by-Step Solutions
If a wheel rotates with a constant angular velocity, what can be said about its angular acceleration?
Step 1: Understand what angular velocity means. It is how fast something is rotating.
Step 2: Recognize that 'constant' means that the speed of rotation does not change.
Step 3: Know that angular acceleration is the change in angular velocity over time.
Step 4: Since the angular velocity is constant, it does not change.
Step 5: If there is no change in angular velocity, then the angular acceleration must be zero.
Angular Velocity – Angular velocity refers to the rate of change of angular position of a rotating object, measured in radians per second.
Angular Acceleration – Angular acceleration is the rate of change of angular velocity over time, indicating how quickly the angular velocity is changing.
Constant Motion – When an object moves with constant velocity, it does not experience any acceleration, which applies to both linear and angular motion.
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