Circular motion?

  • Thread starter mwahx3
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  • #1
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How would you know the direction of the acceleration of an object
a) moving uniformly in a circular motion
b) accelerating in a circular motion.

I'm pretty sure the answer to a is toward the center of the circle but I'm not so sure about b.

thanks.
 

Answers and Replies

  • #2
Doc Al
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Just by virtue of moving in a circle, the object must have a radial component of acceleration--so your answer for a is correct. If the object is accelerating in a circle, not just moving at constant speed in a circle, then it will also have a tangential component of acceleration. To find the direction of the total acceleration, you need both components.
 

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