chapter 12 Flashcards
The force that causes a 1-kg mass to accelerate at a rate of 1 meter per second each second.
Newton
A force that opposes the motion of objects that touch as they move past each other.
friction
A push or a pull that acts on an object.
force
A force that opposes the direction of motion of an object as it slides over a surface.
sliding friction
The fluid friction acting on an object moving through the air.
air resistance
The curved path of an object in free-fall after it is given an initial forward velocity.
projectile motion
The tendency of an object to resist a change in its motion.
inertia
A measure of the inertia of an object and depends on the amount of matter the object contains.
mass
The force of gravity acting on an object.
weight
The product of an object´s mass and its velocity.
momentum
Law stating that the total momentum of a system does not change if no net force acts on the system.
Law of Conservation of Momentum
A force associated with charged particles, which has two aspects, electric force and magnetic force.
electromagnetic force
The powerful attractive force that binds protons and neutrons together in the nucleus.
strong nuclear force
A powerful attractive force that acts over a short-range.
weak nuclear force
An attractive force that acts between any two objects.
gravitational force
A force that continuously changes the direction of an object to make it move in a circle.
centripetal force
The overall force acting on an object after all the forces are combined.
net force
The friction force that acts on objects that are not moving.
static friction
The force that opposes the motion of an object through a fluid.
fluid friction
A force that acts between any two masses.
gravity
Constant velocity of a falling object when the force & air resistance = the force of gravity.
terminal velocity
The friction force that acts on rolling objects.
rolling friction
