# Shared Flashcard Set

## Details

midterm 2
roration, gravitation, states of matter, pressure, fluids in motion, etc.
14
Physics
04/23/2008

## Additional Physics Flashcards

Term
 Rotational Motion
Definition
 Motion around a fixed point
Term
 Translational motion
Definition
 movement of an object from point to point
Term
 rotational inertia
Definition
 object at rest or rotation will stay in that state unless acted on by outside torque
Term
 Angular velocity
Definition
 how fast the angular position changes
Term
 angular speed
Definition
 change in angle/time
Term
 Newtons first law of rotational motion
Definition
 an object not wobbling and has no outside torque will rorate with constant angular velocity about a fixed axis
Term
 torque
Definition
 a force that results in angular acceleration
Term
 angular acceleration
Definition
 how quickly angular velocity changes
Term
 newtons second law of rotational motion
Definition
 torque=rotational mass x angular acceleration
Term
 lever arm
Definition
 distance from axis of rotation to the point of the force
Term
 kepler's first law
Definition
 all planets move in elliptical orbits, with the sun at one focus of the ellipse
Term
 Kepler's second law
Definition
 A line stretching from the sun to a planet sweeps out equal areas in equal times.
Term
 Kepler's third law
Definition
 the square of a planet's orbital period is proportional to the cube of that planet's mean distance from the sun
Supporting users have an ad free experience!