Chapter 2 Forces Vocab

Front

Example of exerting a force:

Back

A carpenter hammering a nail.

Front

When two forces act in the same direction,

Back

they add together.

Front

Tendency of an object to resist motion change.

Back

inertia

Front

Greater mass of an object

Back

Greater its inertia

Front

Gravity's force on an object at a planet's surface is called

Back

weight

Front

Increase acceleration by:

Back

decreasing mass

Front

Force exerted by surfaces rubbing together

Back

friction

Front

Example of rolling friction?

Back

Bike tires on the road.

Front

Only force acting is gravity:

Back

in free fall

Front

Air resistance is a type of

Back

friction