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# Chapter 10 Vocab

### Chapter 10 Vocabulary

TermDefinition
Force A force is described by its magnitude and by the direction in which acts
Newton The overall force on an object when all the individual force acting are added together
Balanced Forces Balanced Forces acting on an object do not change velocity
Friction Two surfaces exert pressure on each other
Static Friction that acts on objects that are not moving
Sliding Friction that occurs when one solid surface slides over another
Fluid A material that can easily flow
Rolling Friction that occurs when an object rolls over a surface
Gravity Force that pulls objects towards ejo gravity acts everywhere and on everything = law of universal surface
Mass The amount of matter in an object
Weight The amount of gravity on an object
Free Fall Force of gravity alone causes an obj to accelerate
Air Resistance Fluid friction of air acts on obj to accelerate
Elastic Forces If it returns to its original shape after is squeezed or streched
Inertia The tendency of an object to resist any change in its motion
Momentum You can calculate the movement of a moving object by multiplying the objects mass and velocity
Law of Conservation of Momentum The total momentum of any group of object remains the same
Net Force The overall on an object when all the indidual foce acting on eachother
Satelilite Anyobject that orbits around another object in space
Centripetal Force A force that causes an object to move in a circle
Compression An elastic force that squeezes or pushes the molecules in matter together
Tension An elastic force that streches or pulls on the molecules in matter
Created by: Christopher_Pena