Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
motion
|
change of position
|
|
|
the direction of motion can be described as
|
north,east,south,west,up or down
|
|
|
reference point
|
an object that stays in place while another is moving
|
|
|
examples of reference points
|
earth,treese,buildings,mountains
|
|
|
speed
|
rate at which an object moves
|
|
|
speed depends on
|
distance
|
|
|
si units for speed
|
m/s (meters per second) km/hr
|
|
|
when u graph speed time is shown on the ?
|
x-axis
|
|
|
when u graph speed distance is show on the
|
y -axis
|
|
|
when the slope is horizontal that means
|
the object is stationary
|
|
|
velocity
|
the speed of an object in a particular direction
|
|
|
an objects velocity will only change if there
|
speed and direction changes
|
|
|
acceleration
|
the rate at which velocity changes
|
|
|
the faster velocity changes the
|
greater the acceleration
|
|
|
si units for acceleration is
|
m/s2
|
