Measuring Motion in Terms of Distance and Time

Front

A change in an object's position is called ___________

Back

motion

Front

How do you know if an object has changed in position? Options: It is not visible, It looks bigger, It is farther or closer from a reference point, It is on top of a reference point

Back

It is farther or closer from a reference point

Front

Force have both ____________________________

Back

magnitude and direction

Front

The distance traveled by an object per unit of time is called ________________________________

Back

speed

Front

The property of an object per unit of time is called

Back

inertia

Front

A force that resists motion created by objects rubbing together is ______________________________________

Back

speed

Front

A force that pulls objects towards each other is _______________________________

Back

gravity

Front

An example of balance force is:

• a person skating back and forth on an ice rink
• tire with treads gaining speed on an icy road
• two soccer players running in opposite directions
• a book on a desk

Back

a book on a desk

Front

A force that sets an object into motion is ___________________________

Back

unbalanced

Front

Velocity is measure of speed that takes into account the ________________________

Back

weight of an object