gerquise riley 5-24-11
Transcript gerquise riley 5-24-11
Force in Motion
The speed and direction of an object’s motion
A push or pull that acts on an object
Energy used when a force moves an object
The rate at which work is done, or energy
expended, per unit time.
The state of a body or physical system that
is at rest or in constant and unchanging
The resistance of a body to changes in its
The rate of change of the velocity of a
A device that applies force, changes the
direction of a force, or changes the strength
of a force, in order to perform a task,
generally involving work done on a load.