3 Motion Flashcards
v = delta x / delta t
Average speed = distance travelled / time taken
Distance time graph x axis
Time
Distance time graph y axis
Distance
Distance time graph horizontal straight line
Stationary
Distance time graph straight line
Constant speed
Distance time graph gradient
Speed
Instantaneous speed
The speed of the object over a very short interval of time
v = delta s / delta t
Average velocity = change in displacement / time taken
Displacement time graphs y axis
Displacement
Displacement time graphs x axis
Time
Displacement time graph horizontal straight line
Stationary
Displacement time graph straight line with positive gradient
Constant positive velocity
Displacement time graph straight line with a negative gradient
Constant negative velocity
Displacement time graph gradient
Velocity
a = delta v / delta t
Acceleration = change in velocity / change in time
Velocity time graphs straight line with a positive gradient
Constant acceleration
Velocity time graph horizontal straight line
Constant velocity
Velocity time graph straight line with a negative gradient
Constant deceleration
Velocity time graph curve
Changing acceleration
Velocity time graph area under graph
Displacement
Equation of motion without s
V = u + at
Equation of motion without v
s = ut + 1/2 a t^2
What affects the vertical component of motion
Gravity
What affects the horizontal component of motion
Air resistance ( negligible)
