8th grade force and motion vocabulary

Front

force

Back

A force is a push or a pull.

Front

inertia

Back

Inertia is the tendency of objects to resist changes in speed and direction.

Front

momentum

Back

Momentum is a measurement of how hard it is to change inertia.

Front

net force

Back

Net force is the sum of all of the forces acting on an object.

Front

unbalanced forces

Back

Unbalanced forces are unequal forces that cause an object to change velocity.

Front

motion

Back

Motion is the action of moving.

Front

speed

Back

Speed is a measurement of how long it takes an object to travel a certain distance.

Front

velocity

Back

Velocity is a measurement of speed and direction.

Front

acceleration

Back

Acceleration is a change in velocity.

Front

Newtons

Back

Newtons are the unit of force.