Forces and Motion Vocabulary

a push or pull on an object

• magnitude

• force

• Newton

Tags

NGSS.3-PS2-1

an object's change in position relative to a reference point

• speed

• reference point

• motion

Tags

NGSS.3-PS2-2

equal forces acting on an object in opposite directions

• unbalanced forces

• balanced forces

• motion

Tags

NGSS.3-PS2-1

a place or object used for comparison to determine if an object is in motion

• reference point

• magnitude

• inertia

Tags

NGSS.3-PS2-2

SI unit of force

• Newton

• mass

• magnitude

a force that opposes motion between two surfaces that are in contact

• gravity

• friction

• mass

the combination of all forces acting on an object

• motion

• Newton

• net force

Tags

NGSS.3-PS2-1

forces acting on an object that combine and form a net force that is not zero

• balanced forces

• unbalanced forces

• velocity

Tags

NGSS.3-PS2-1

When two or more equal forces act upon an object, resulting in no motion.

• friction

• balanced force

• unbalanced force

• inertia

Tags

NGSS.3-PS2-1

When two or more unequal forces act upon an object, resulting in a change or in motion or direction.

• balanced force

• unbalanced force

• inertia

• friction

Tags

NGSS.3-PS2-1