Force 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 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 are balanced forces?

Back

Balanced forces are forces that are equal in size but opposite in direction, causing no change in motion.

Front

What are unbalanced forces?

Back

Unbalanced forces are forces that are not equal, causing a change in motion.

Front

What happens when two people pull with the same force?

Back

They will not move at all.

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 do pushes and pulls relate to forces?

Back

Both pushes and pulls are types of forces that can change the motion of an object.

Front

What is an example of a push?

Back

Pushing a door open.