Related Items   from Encarta  
Acceleration (velocity)
Kinetics, description of motion
Einstein’s general theory of relativity
Newton’s second law of motion
acceleration contest between two vehicles
acceleration of falling objects
centrifugal force, fictitious force in accelerating frame of reference
centripetal force
changes to velocity vector
development of laws of motion
effects during flight
expansion of the universe
force
Galileo’s equations
relationship to inertia
units of measure
Velocity
Velocity, in physics, rate of linear motion of a body in a particular direction. Velocity is a vector—that is, it has both magnitude and direction....
 View article
© 2008 Microsoft