Force and Motion Flash Cards

Front

position

Back

The location of an object

Front

motion

Back

A change in an object’s position over time

Front

speed

Back

How fast an object’s position changes over time

Front

velocity

Back

The speed and the direction of a moving object

Front

acceleration

Back

The change in velocity over time for an object

Front

balanced force

Back

Forces that act together on an object without changing its motion

Front

unbalanced forces

Back

Forces that do not cancel each other out and cause an object to change its motion

Front

action force

Back

The initial push or pull of one object on another object

Front

reaction force

Back

The push or pull of a second object back on the object that started the push or pull.