Chapter 3- Forces and Motion
Feb 24, 2016
Chapter 3- Forces and Motion
_____________ is a change in the position of
an object.
Motion
The force that pulls all objects toward each
other is ______________.gravity
A _______________ is a place or object used to determine if an object is in motion.
reference point
____________ is the rate at which an object changes position.
Speed
Any push or pull is a ____________.force
____________ is the speed and the direction an object is moving.
Velocity
Objects move in _____________________, _____________________, or ____________________.
straight linesin curved paths
back and forth
The mass of an object affects the _________ needed to change its motion.
force
The force of __________ pulls objects to Earth.
gravity
_______________ is the change in speed or direction of an object.
Acceleration