Grade 3 - NGSS - CA
Balanced force
Forces that are equal but in opposite directions. Balanced force. Balanced force means that things don't move because the pushes and pulls are equal.
Force
The push or pull exerted on an object. Force. It's when you push or pull something to make it move.
Motion
a change in an objects position. motion. Motion is when something moves from one place to another.
Unbalanced force
Forces acting on an object to cause a change in motion. Unbalanced force. An unbalanced force is when one side pushes or pulls harder and makes something move.
Velocity
Speed and direction of a moving object velocity. Velocity is how fast something is moving and where it's going.