Game Smartz

Balanced and Unbalanced Forces 5-PS2-1

NGSS

air resistance

the force that opposes objects moving through the air
air resistance Simple Definition

balanced force

forces that are equal but in opposite directions
balanced force Simple Definition

force

the push or pull exerted on an object
force Simple Definition

free fall

the motion of a falling object when the only force acting on it is gravity
free fall Simple Definition

gravity

the attractive force between all objects that have mass
gravity Simple Definition

unbalanced force

forces acting on an object to cause a change in motion
unbalanced force Simple Definition

weight

measure of the force of gravity on an object
weight Simple Definition

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