# Shared Flashcard Set

## Details

Science CH 10 notes
abridged
25
Science
10/16/2012

Term
 Why does an object change position?
Definition
 if it moves relative ot a reference point
Term
 What includes the distance between the starting and ending points and the direction in which you travel?
Definition
 displacement
Term
 What is distance?
Definition
 a nummerical description of how far apart objects are
Term
 What is the distance travelled divided by the time taken to travel the distance?
Definition
 speed
Term
 What is the SI unit for speed?
Definition
 m/s
Term
 What is found by dividing the total distance traveled by the time taken?
Definition
 average speed
Term
 What is the SI unit for acceleration?
Definition
 m/s squared
Term
 What is the SI unit for mass?
Definition
 kilogram
Term
 What is momentum usually symobolized by?
Definition
 p
Term
 What is the momentum equation?
Definition
 p= mass x velocity
Term
 Momentum has a direction that is the same as what?
Definition
 the directionof velocity
Term
 includes the distance between the starting and ending points and the direction in which you travel
Definition
 displacement
Term
 the distance traveled divided by the time taken to travel
Definition
 speed
Term
 is found by dividing the total distance traveled by the time taken
Definition
 average speed
Term
 the speed of an object at one instance of time
Definition
 instantaneous speed
Term
 the speed of the object and direction of its motion
Definition
 velocity
Term
 the amount of matter in an object
Definition
 mass
Term
 tendency of an object ot resist a change in motion
Definition
 inertia
Term
 measure of houw hard it is to stop an object
Definition
 momentum
Term
 the total momentum of objects that collide is the same before and after the collision
Definition
 law of conservation of momentum
Term
 SI unit for Distance
Definition
 m
Term
 SI unit for speed
Definition
 m/s
Term
 SI unit for acceleration
Definition
 m/s squared
Term
 SI unit for Mass
Definition
 kilogram
Term
 SI unit for momentum
Definition
 kg*m/s
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