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key termsdefinition
motion the state in witch one object's destance from another is changing.
reference point a place or object used for comparison to determin if an object is in motion
international system of units (SI) a system of measurment based on multiples of ten and on established measures of mass, length, and time.
meter the basic SI unit of langth
speed the distance an object traviles in one unit of time.
velocity speed in a given direction.
acceloration the rate at wich velocity changes
how is the motion of an object determined? by its change of position to a reference point.
how do you determine speed for an object that moves at a constant pace? its speed can be determaned by dividing the distance it traviles by the time its taken
how do you determine speed of an object were the speed varies? if the object's speed varies, then dividing destance by time gives you the object's average speed
how do you describe the object's velocity? (blank)
Created by: croppp