Wordwise Chapter 12

A measure of an object’s inertia
Mass

Force that affects all particles in a nucleus and acts only over a short range
Weak Nucleus

Opposes the force of gravity (a sky diver experiences this)
Fluid Friction

A change in an object’s speed or direction of motion
Acceleration

The product of an object’s mass and it’s velocity
Momentum

A measure of the force of gravity acting on an object
Weight

A center- directed force that continuously changes the direction of an object to make it move in a circle
Centripetal force

A force associated with charged particles
Electromagnetic Force

Mass is the measure of the _______ of an object
Inertia

A force that opposes the motion of objects that touch as they move past each other
Friction

The universal force that causes every object to attract every other object
gravity

A person’s weight on mars is measured in _______
Newtons

Acceleration equals _______ divided by mass
Net force