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CH 8 Vocabulary

TermDefinition
Speed The distance an object moves in a unit of time
Velocity The speed and the direction of a moving object
Acceleration The measure of the change in velocity during a period of time
Force Is a push or a pull on an object
Contact Force A push or a pull one object applies to another object that is touching it
Noncontact Force A force that one object applies to another object without touching it
Gravity An attractive force that exists between all objects that have a mass
Friction A contact force that resists the sliding motion of two surfaces that are touching
Air Resistance The frictional force between air and objects moving through it
Created by: kfoulks
 

 



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