Shared Flashcard Set

Details

Newton's Laws
Chapter 2 Motion
19
Science
8th Grade
09/20/2010

Additional Science Flashcards

 


 

Cards

Term
FORCE
Definition
A push or a pull
Term
NET FORCE
Definition
The combination of all the forces acting on an object.
Term
BALANCED FORCES
Definition
Two or more forces whose effects cancel each other out AND do not change the motion of the object.
Term
UNBALANCED FORCES
Definition
Two or more forces acting on an object that DO NOT CANCLE EACH OTHER OUT – and cause the object to accelerate (+)/(-)/Change directions.
Term
NEWTON’S 1St LAW (Part 1)
Definition
If the net force acting on an object is zero, the object will remain at rest.
Term
NEWTON'S 2ND LAW OF MOTION
Definition
The acceleration of an objects equals the net force divided by the mass - and is in the direction of the net force.
Term
NEWTON’S 1ST LAW (Part 2)
Definition
If the object is already moving, it will continue to move in a straight line with a constant speed.
Term
STATIC FRICTION
Definition
The attraction between the atoms of two surfaces that are touching and are not moving.
Term
NEWTON’S 3RD LAW
Definition
Forces always act in EQUAL but OPPOSITE pairs. (or equal but opposite reactions).
Term
SLIDING FRICTION
Definition
The friction between two surfaces that are sliding past each other and act in the direction OPPOSITE to the motion.
Term
ROLLING FRICTION
Definition
The force that acts to resist movement between two surfaces that are rolling (one or both surfaces may be round/roll)
Term
FRICTION
Definition
The force that brings nearly everything to a stop and opposes sliding between two surfaces that are touching.
Term
GRAVITY
Definition
A force of attraction between any tow objects that have mass. The closer the objects the more attraction. The greater the mass the greater the attraction.
Term
WEIGHT
Definition
Mass(gravity)
Measured in NEWTONS!
Measured with a spring scale.
Term
CETNRIPETAL FORCE
Definition
The net force cause by an object moving in a circular motion.
Term
AIR RESISITANCE
Definition
A form of friction that acts to slow down any object moving in the air.
Term
CENTER OF MASS
Definition
The point in an object that moves as if the entire object’s mass were concentrated at that point.
Term
INERTIA
Definition
The tendency of an object to resist a change in its motion.
Term
MASS
Definition
The measure of the amount of matter in an object.
Measured in grams.
Measured on a tri-beam scale.
Supporting users have an ad free experience!