# Download force A push or pull exerted on an object. unbalanced forces newton

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Transcript
```force
A push or pull exerted on an object.
unbalanced forces
newton
A unit of measure that equals the
force required to accelerate 1 kilogram
of mass at 1 meter per second per
second.
balanced forces
net force
The overall force on an object when
all the individual forces acting on it are
friction
Forces that produce a nonzero net
force, which changes an object’s
motion.
static friction
Friction that acts on objects that are
not moving.
Equal forces acting on an object in
opposite directions.
sliding friction
Friction that occurs when one solid
surface slides over another.
The force that one surface exerts on
another when the two surfaces rub
against each other.
rolling friction
Friction that occurs when an object
rolls over a surface.
fluid friction
gravity
mass
Friction that occurs as an object
moves through a fluid.
weight
The force that pulls objects toward
each other.
free fall
The amount of matter in an object.
air resistance
The force of gravity on an object at the
surface of a planet.
The motion of a falling object when
the only force acting on it is gravity.
The fluid friction experienced by
objects falling through the air.
terminal velocity
projectile
inertia
The greatest velocity a falling object
can achieve.
An object that is thrown.
The tendency of an object to resist
any change in its motion.
momentum
law of conservation of momentum
The product of an object’s mass and
velocity.
centripetal force
The rule that in the absence of outside
A force that causes an object to move
forces, the total momentum of objects
in a circle.
that interact does not change.
MOTION, FORCES, & ENERGY
satellite
Any object that orbits around another
object in space.
CHAPTER 2
SECTIONS 2.1 – 2.5
FLASHCARDS
```