Physics Vocabulary #1c

Motion

when the distance between two objects is changing

velocity

Speed in a given direction

Acceleration

change in velocity

force

a push or pull on an object

Newton

a unit of measure that equals the force required to accelerate.

Friction

the force that two surfaces exert on each other when they rub against each other

net force

The overall force on an object when all the individual forces acting on it are added together

Mass

the amount of matter in an object

inertia

the tendency in an object to resist change in motion

weight

A measure of the force of gravity acting on an object

Gravity

the attraction force between objects; the force that moves objects downhill

magnetism

The force of attraction or repulsion of magnetic materials

magnetic field

the region around a magnet where the magnetic force is exerted

electric field

the force between charged objects where object's electric force is exerted on other charged objects

electrical force

The force between charged objects