Conceptual Dynamics - Independent Learning
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Pure Rotation - Conceptual Example 4.2-5
A cat sits without slipping on the edge of a spinning disk. The disk is turning in the direction shown and slowing down.
At the instant shown, what is the direction of the radial component of the cat's acceleration?
a)
+x
b)
-x
c)
+y
d)
-y
e)
+z
f)
-z
At the instant shown, what is the direction of the tangential component of the cat's acceleration?
a)
+x
b)
-x
c)
+y
d)
-y
e)
+z
f)
-z
At the instant shown, what is the direction of the angular velocity of the cat?
a)
+x
b)
-x
c)
+y
d)
-y
e)
+z
f)
-z
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