An object that is sitting still has __________ forces acting on it.

A boy pushes on a box and moves it across the room. This is an example of ______.

Objects in motion tend to stay in motion because of the property of __________.

What force causes the baseball to change direction when it is hit by the bat?

The distance traveled in an amount of time is called __________.

__________ describes when a moving object speeds up.

If you drop a rock in a lake, the rock will slow down because the water exerts ______.

What causes heat when rubbing your hands together?

A change in an object's position is ____________________.

______________________ is how fast an object's position changes over time.

The speed and direction of an object is ____________________.

A change in velocity is called ________________________.

__________________ is a push or pull on an object.

The tendency of an object in motion to stay in motion or of an object at rest to stay at rest is __________________________.

A force between surfaces that slows objects or stops them from moving is __________________.