Easy-Peasy
A push or a pull
The force of gravity acting on an object
WEIGHT
SLIDING FRICTION
A force that doesn't require 2 objects to be touching to cause acceleration
NON-CONTACT FORCE
When the net force acting on an object is zero, the forces are called ___________ ________
BALANCED FORCES
MASS
ACCELERATION
A force that requires 2 objects to be touching to cause acceleration
Friction, air resistance (drag) and normal force are examples of this
CONTACT FORCES
A force that surfaces exert to prevent solid objects from passing through each other
NORMAL FORCE
FRICTION
The tendency of an object to resist a change in motion
INERTIA
The acceleration of an object is equal to the net force acting on the object divided by the object's mass
NEWTON'S SECOND LAW OF MOTION
Objects in motion tend to stay in motion at the same velocity and in the same direction unless acted upon by a net force
NEWTON'S FIRST LAW OF MOTION
An object at rest tends to stay at rest unless acted upon by a net force
NEWTON'S FIRST LAW OF MOTION
Unit label for weight and Force
NEWTON
A force that acts perpendicular (at right angles) to the direction of motion, toward the center of the curve.
CENTRIPETAL FORCE
The combination of all the forces acting on an object. Sometimes called the resultant force
NET FORCE
A measure of how hard it is to stop a moving object
MOMENTUM
The frictional force that resists the motion of an object. It keeps your folder on your desk
STATIC FRICTION
Change in velocity over time
ACCELERATION
a=F/m
NEWTON'S SECOND LAW OF MOTION
Friction caused by microscopic irregularities on the surfaces of two objects that are touching
STATIC FRICTION
p=m x v
MOMENTUM