Angular/Tangential Acceleration

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SUMMARY

In the context of a wheel rotating about a fixed axis at constant speed, the angular acceleration is indeed zero, while the tangential acceleration is also zero. This is because constant speed implies no change in the magnitude of velocity, resulting in both types of acceleration being absent. The correct answer to the multiple-choice question is option (a) "Both are zero." Understanding the relationship between tangential and angular accelerations is crucial for solving similar physics problems.

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A wheel is turning about its fixed axis at constant speed. Compare the tangential and angular accelerations of a point on a wheel.
This was a multiple choice question on my exam, which I got wrong... (annoying 8% loss)

I thought only the angular acceleration would be zero since the speed is constant, but I guess snot.

a) Both are zero
b) Neither is zero
c) Only the angular acceleration is zero
d) Only the tangential acceleration is zero

I assume that both are zero, but I'm not sure.
 
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How are tangential and angular accelerations related to each other?
 

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