# Shared Flashcard Set

## Details

Chapter 11: Rotational Mechanics Questions
Chapter 11 Rotational Mechanics Questions
18
Physics
12/27/2011

Term
 Lever Arm
Definition
 d┴ between the axis and the force
Term
 Rotational Inertia
Definition
 reluctance of an object to change its state of rotation
Term
 Torque
Definition
 Fd┴, rotational analog of force
Term
 Angular momentum
Definition
 Product of rotational inertia and rotational velocity: L = Iw
Term
 Rotational velocity
Definition
 rotational speed w plus direction of motion, clockwise or counterclockwise
Term
 Give the symbol for:Angular momentum
Definition
 L
Term
 Give the symbol for: Rotational velocity
Definition
 w clockwise
Term
 Give the symbol for:Torque
Definition
 T or M (Moment)
Term
 Give the symbol for:Rotational Inertia
Definition
 I
Term
 Give the symbol for:Linear Momentum
Definition
 p
Term
 Give the units for:Angular momentum
Definition
 L = Iw = cmr2w = kg m2 rev/sec
Term
 Give the units for:Rotational inertia
Definition
 I = cmr2= kgm2
Term
 Give the units for: Linear momentum
Definition
 p=mv=kg m/s
Term
 Give the units for:Torque or Moment
Definition
 T=Fd=Nm
Term
 Give the equation for: Torque or Moment
Definition
 T=Fd
Term
 Give the equation for: Linear momentum
Definition
 p = mv
Term
 Give the equation for: Law of conservation of angular momentum
Definition
 Iw=Iw
Term
 The law of inertia is: A body in motion tends to stay in motion. What is the law of inertia for rotation?
Definition
 Rotating objects tend to stay rotating
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