Forces and Motion

Front

What is a force?

Back

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

Front

What is motion?

Back

Motion is the change in position of an object over time.

Front

What happens when two forces are equal?

Back

When two forces are equal, they cancel each other out, and the object does not move.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, like the Earth pulling us down.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces that are in contact.

Front

What is an example of a push force?

Back

Pushing a door open is an example of a push force.

Front

What is an example of a pull force?

Back

Pulling a wagon is an example of a pull force.

Front

What is the effect of a stronger force?

Back

A stronger force can cause an object to move faster or change direction more quickly.

Front

What is inertia?

Back

Inertia is the tendency of an object to stay at rest or keep moving unless acted upon by a force.

Front

What is an example of motion?

Back

A car driving down the street is an example of motion.