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Chapter 9: Circular Motion Questions
Chapter 9 Circular Motion Questions
14
Physics
11th Grade
12/21/2011

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Term
Axis
Definition
straight line around which an object may rotate or revolve
Term
Revolution
Definition
Motion of an object turning around an axis outside the object
Term
Centrifugal Force
Definition
An apparent outward force. A false force. Is really the lack of centripetal force
Term
Rotation
Definition
spinning motion when an object rotates about an axis located within the object)
Term
Tangential speed
Definition
speed of an object moving along a circular path)
Term
Linear speed
Definition
the path distance moved per unit of time
Term
Centripetal force:
Definition
a center directed force that causes an object to move in a curved path
Term
Rotational speed
Definition
number of rotations per unit time
Term
Symbol for: Radial distance
Definition
r
Term
Symbol for: Tangential speed
Definition
ν
Term
Symbol for: Rotational speed
Definition
w
Term
Units for w
Definition
rotations/minute
Term
Units for v
Definition
m/s
Term
Give the Mathematical relationship between tangential speed and rotational speed
Definition
(ν = rw)
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