# Shared Flashcard Set

## Details

Science Vocab-
momentum, acceleration, inertia, forces motion, ect.
24
Science
11/04/2012

Term
 Acceleration
Definition
 changing speed or direction (velocity)
Term
 air resistance
Definition
 the upward force on an object falling through the air
Term
 average acceleration
Definition
 the average measure of a chance in velocity
Term
 average speed
Definition
 the total distance traveled divided by the total time taken to travel that distance
Term
 balanced forces
Definition
 forces acting on an object that combine and form a net force of zero
Term
 constant speed
Definition
 the rate of change of a position in which the same distance is traveled each second
Term
 displacement
Definition
 the difference between the start and an end
Term
 Instantaneous speed
Definition
 an objects speed at a specific instant in time
Term
 Motion
Definition
 changing position
Term
 Postotion
Definition
 an objects distance and direction from a reference point
Term
 Speed
Definition
 distance divided by time
Term
 static friction
Definition
 prevents surfaces from sliding past eachother
Term
 velocity
Definition
 speed in a given directon
Term
 in a distance time graph the slope is determined by finding the _________ on the graph.
Definition
 in a distance time graph the slope is determined by finding the -slope of the line- on the graph.
Term
 acceleration includes changing_________ and ___________.
Definition
 acceleration includes changing -speed- and -direction-
Term
 according to newtons first law of motion, if the net force on an object is________' the motion of the object doesn't change.
Definition
 according to newtons first law of motion, if the net force on an object is -zero- the motion of the object doesn't change.
Term
 work is measured in_______.
Definition
 Work is measured in -joules.-
Term
 Newton's 3rd law states the unit for force is _________.
Definition
 Newton's 3rd law states the unit for force is newtons.
Term
 The SI unit for speed is_________.
Definition
 The SI unit for speed is -meters per second.-
Term
 the force that opposes friction is____________ .
Definition
 the force that opposes friction is friction.
Term
 an_____________ force causes an object to accelerate.
Definition
 an -unbalanced- force causes an object to accelerate.
Term
 what is the equation for average speed
Definition
 average speed=total distance/total time
Term
 what is the equation for acceleration
Definition
 acceleration=net force/mass
Term
 what is the equation for mass
Definition
 mass=force/acceleration
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