Book 2 Chapter 1 Flashcards
an objects change in position relative to a reference point
motion
the distance traveled divided by the time interval during which the motion occured
speed
the speed of an object in a particular direction
velocity
the rate at which velocity changes overtime
acceleration
a push or a pull exerted on an object in order to change the motion of an object
force
the SI unit for force
newton
the combination f all of the forces acting on an object
net force
a force that opposes motion between two surfaces that are in contact
friction
a force of attraction between objects that is due to their masses
gravity
a measure of the gravitational force exerted on an object
weight
a measure of the amount of matter in an object
mass