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 is gravity?

Back

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

Front

What happens when two forces act in the same direction?

Back

The forces add together, making the object move faster in that direction.

Front

What happens when two forces act in opposite directions?

Back

The forces cancel each other out, and the object may not move.

Front

What is friction?

Back

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

Front

What is the effect of weight on motion?

Back

Heavier objects may be harder to move than lighter objects.

Front

What is a push?

Back

A push is a force that moves an object away from you.

Front

What is a pull?

Back

A pull is a force that brings an object closer to you.

Front

What is a ramp?

Back

A ramp is a sloped surface that helps objects move up or down.