forces and motion review

Front

What is a force?

Back

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

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 motion?

Back

Motion is a change in an object's position.

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

Which requires more force: moving a toy car or a chair with a friend sitting in it?

Back

A chair with a friend sitting in it requires more force to move.

Front

What happens when you apply a force to an object?

Back

The object may start moving, stop moving, or change direction.

Front

What is speed?

Back

Speed is how fast an object is moving.

Front

Can you give an example of a force?

Back

An example of a force is when you push a door to open it.