Centripetal acceleration= (Radius)(angular velocity)2
a=Rw2
Angular velocity is not constant when a child starts merry go round from rest or a computer hard disk slows to a halt after switching off.
Theoretical formula (a=Rw2) states that centripetal acceleration depends upon angular velocity but it changes sometimes as in above examples these are the factors that would cause us not to observe the exact relationship.
What factors would cause you not to observe the exact relationship expected in the theory regarding...
1. Do you expect you would need more centripetal acceleration or less to cause an object moving at a certain speed to rotate in a smaller circle? In other words, would the magnitude have to increase or decrease as r decreases if circular motion is to be maintained? Explain. 2. Do you expect you would need more centripetal acceleration or less to cause an object to rotate at a given radius r if the speed v is increased, In other...
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