Force and Motion

Front

True or False: objects that are smooth have LESS friction than objects that are rough

Back

TRUE

Front

A push or pull on an object is called what?

Back

force

Front

What is velocity?

Back

speed with a direction

Front

Why do objects moving downhill speed up?

Back

Because of gravity

Front

What is an example of Pull motion?

Back

Removing a plug.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is the difference between speed and velocity?

Back

Speed is how fast something is moving; velocity includes direction.

Front

What force pulls objects toward the Earth?

Back

Gravity

Front

What happens to an object in motion if no forces act on it?

Back

It continues moving at a constant speed in a straight line.