Science Ch. 14

a push or pull exerted on an object

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

the rate at which velocity changes

the tendency of an object to resist a change in motion

the attractive force between objects; the force that moves objects down hill

the scientific law that every object in the universe attracts every other object

the amount of matter in an object

a measure of the force of gravity on an object

any material that attracts iron and materials that contain iron

the region around a magnet where the magnetic force is exerted

a device with a magnetized needle that can spin freely; the needle always points north

the angle between geographic north and the north to which a compass needle point