Forces and Motion Flashcard

Front

What is a force?

Back

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

Front

What does it mean to push an object?

Back

To push an object means to apply a force that moves it away from you.

Front

What does it mean to pull an object?

Back

To pull an object means to apply a force that moves it closer to you.

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

How can a force change an object's motion?

Back

A force can change an object's speed, direction, or shape.

Front

What is an example of a push?

Back

Pushing a door open is an example of a push.

Front

What is an example of a pull?

Back

Pulling a wagon is an example of a pull.

Front

What happens when you apply a force to a stationary object?

Back

The object may start to move if the force is strong enough.

Front

What happens when you apply a force to a moving object?

Back

The object's speed or direction may change.