# Shared Flashcard Set

## Details

Rotational Motion Vocab
N/A
11
Physics
12/08/2011

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 ovject can be calculate by dividing its angular displacement by the time it takes for the 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. The rotational equivalent of mass.
Term
Definition
 The _____ is 1/2π 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 the _____.
Term
 Angular Acceleration
Definition
 The result of dividing the change in angular velocity by the time it takes to make the changes 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 angular velocity depends on the _____, which is the perpendicular distance from the axis of rotation to the point where the force is exerted.
Term
 Coriolis "force"
Definition
 When the horizontal motion of an object in a rotating frame of reference seems to deflect, the apparent force is the _____.
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