Forces & Newton's Laws

Front

Earth's natural force that pulls objects down.

Back

gravity

Front

The force of materials sliding against one another. This force works against an object's motion.

Back

friction

Front

If the net force is equal to zero, the forces acting on the object are

Back

balanced

Front

The unit of force is

Back

newton

Front

What is defined as a push or pull?

Back

force

Front

An _______ force must act on an object for it to CHANGE its motion.

Back

unbalanced

Front

What law is best described by inertia?

Back

1st

Front

What law is demonstrated by the picture?

Back

3rd

Front

An object's resistance to a change in motion.

Back

Inertia

Front

Why do tractor trailers take more time to speed up & slow down than regular cars?

Back

Tractor trailers have more mass and require more force to move.