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Science Ch. 5 2&3

Chapter 5- Matter in Motion Sections 2&3

QuestionAnswer
Definition of Friction a force that opposes motion between two surfaces that are touching
Definition of Rolling Friction The friction that occurs between wheels and the ground; usually less than sliding friction
Definition of Force a push of a pul; all forces have both size and direction
Definition of Fluid Friction the friction between a fluid (liquid or gas) and something else
Definition of Net Force The force that results from combining all the forces exerted on an object
Definition of Balanced Force Forces on an object that cause the net force to be zero; balanced forces do not cause a change in motion or acceleration
Definition of Sliding Friction The friction that occurs when something slides across a surface
Definition of Lubricant A substance applied to surfaces to reduce the friction between them
Definition of Unbalanced Force Forces on an object that cause the net force to be other than zero; unbalanced forces produce a change in motion or acceleration
Definition of Static Friction When a force is applied to an object but does not cause the object to move
Definition of Newton The SI Unit of Force
Created by: rinteck
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