Understanding Force and Motion

Front

What is a force?

Back

A force is a push or a pull that can make an object start moving, stop moving, or change direction.

Front

What happens when you kick a ball?

Back

You are applying a force to it, which makes the ball move across the ground.

Front

What is motion?

Back

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

Front

How does speed relate to motion?

Back

The speed of an object tells us how fast it is moving.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward the Earth.

Front

What is friction?

Back

Friction is a force that can slow down motion, occurring when two surfaces rub against each other.

Front

How do engineers use the concepts of force and motion?

Back

Engineers use these concepts to design cars, airplanes, and roller coasters.