*Force

Front

What is a force?

Back

A force is a push or pull that can change the motion of an object.

Front

What are the two types of forces?

Back

Push and Pull.

Front

What happens to an object in motion without a force acting on it?

Back

It will continue to move in a straight line forever.

Front

What type of forces can cause an object to move?

Back

Unbalanced forces.

Front

What is friction?

Back

A force that opposes motion between two surfaces that are touching.

Front

What is an example of a push force?

Back

Pushing a door open.

Front

What is an example of a pull force?

Back

Pulling a wagon.

Front

What is balanced force?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What is unbalanced force?

Back

Forces that are not equal, causing a change in motion.

Front

What is inertia?

Back

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