Work, Force and Motion Vocab Flashcards

Front

Motion

Back

Change in position over time

Front

Speed

Back

  The amount of distance moved in a given period of time

Front

Velocity

Back

Speed in a given direction

Front

Acceleration

Back

A rate of change in velocity – slowing down, speeding up, or turning

Front

Positive Acceleration

Back

Acceleration that occurs when an object speeds up; on a graph it is an upward curved line

Front

Negative Acceleration or Deceleration

Back

Acceleration that occurs when an object slows down; on a graph it is a downward curved line

Front

Force

Back

Push or pull on an object

Front

Friction

Back

Force that opposes motion; decreasing this force can make machines more efficient

Front

Gravity

Back

Force of attraction between any objects with mass

Front

Mass

Back

The amount of matter in an object; does not change in response to changes in gravity