# Shared Flashcard Set

## Details

Physics Test Review
For sci test
20
Physics
12/13/2010

Term
 Displacement
Definition
 The distance and direction between starting and ending positions
Term
 Speed
Definition
 the distance traveld divied by the time needed to travel the distance
Term
 accleration
Definition
 change invelocity divided by the amaount of time required for the change to occur
Term
 velocity
Definition
 displacement divided by (speed with a direction)
Term
 Newtons 1st law
Definition
 an object will remain at rest or move in straight line wit constant speed unless it is acted upon by a force
Term
 Balanced forces
Definition
 equal froces that acted in oposite dirctions
Term
 Force
Definition
 a push or pull
Term
 Unblanced Forces
Definition
 Forces that act in opsete dirctions that are equal strength
Term
 friction
Definition
 a force that resits motion
Term
 Newtons 2nd law
Definition
 an object acted upon by an unblanced force will accelrate in the direction of the force
Term
 newtons 3rd law
Definition
 forces always acr in equal but opposetepairs
Term
 Air Resistance
Definition
 Air molecules acr on the forward moving surface of an object slowing its motion
Term
 Rolling Friction
Definition
 type of friction that makes a tire turn a ball roll
Term
 Sliding friction
Definition
 type of friction that occurs when two surfaces slide past each other
Term
 static friction
Definition
 the firction that hinders a staionary object from moving ona surface when a force is applied to that object
Term
 weight
Definition
 a force that can change when accleration due to gravity changes
Term
 mass
Definition
 a force that can change when accelration due to gravity changes
Term
 Inertia
Definition
 measures an object tendency to remain at rest or keep movin with constant velovity
Term
 Newton
Definition
 unit used to measure force
Term
 newtons laws of motion
Definition
 a set of rules used to predict and explain motion
Supporting users have an ad free experience!