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Rotational Motion Vocabulary Review
Physics
11
Physics
12th Grade
12/08/2011

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Cards

Term
Newton's Second Law for Rotational Motion
Definition
Angular acceleration is directly proportional to the net torque and inversely proportional to the moment of inertia is a statement of ___________
Term
Angular displacement
Definition
As an object rotates the change in angle is called _____________
Term
Angular velocity
Definition
The ________ of a rotating object can be calculated by dividingĀ its angular displacement by the time it takes for hte displacement to occur.
Term
Center of mass
Definition
The ______ of an object is the point on the object that moves in the same way that a point particle would move
Term
Moment of inertia
Definition
The ________ is the resistance to rotation
Term
Radian
Definition
The ____1/2 pi of a revolution of a spinning object
Term
Centrifugal force
Definition
The apparent force that seems to pull an object on a spinning platform toward the outside of the platform is called ______________.
Term
Angular acceleration
Definition
The result dividing the change in angular velocity by the time it takes to amke the change is ___________.
Term
Torque
Definition
______________ is the measure of how effectively a force causes rotation
Term
Lever Arm
Definition
When a force is exerted on a rotating object, the change in the angular velocity depends on the _________, which is the perpendicular distance from the axis of rotoation to the poitn where the force is exerted.
Term
Coriolis "Force"
Definition
When the horizontal motion of an object in a rotating frame of reference seems to defelct he apparent force is ___________.
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