Acceleration & Deceleration (Leaving Cert Applied Maths): Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Acceleration
Acceleration
When an object increases its velocity over time
Deceleration
Deceleration
When an object decreases its velocity over time
Key kinematic equation for acceleration
Key kinematic equation for acceleration
What does area under velocity-time graph represent?
What does area under velocity-time graph represent?
Total distance travelled
Velocity-time graph shape with speed limit
Velocity-time graph shape with speed limit
Trapezoidal
Velocity-time graph shape without speed limit
Velocity-time graph shape without speed limit
Triangular
Three stages of trapezoidal motion
Three stages of trapezoidal motion
Accelerate, constant speed, decelerate
Sign of acceleration when speeding up
Sign of acceleration when speeding up
Positive
Sign of acceleration when slowing down
Sign of acceleration when slowing down
Negative
What steeper gradient means on velocity-time graph
What steeper gradient means on velocity-time graph
Higher acceleration or deceleration rate
First step in solving acceleration problems
First step in solving acceleration problems
Identify the motion phases
Why triangular motion profile is optimal
Why triangular motion profile is optimal
Most efficient for covering distance in minimum time
in kinematic equation
in kinematic equation
Final velocity
in kinematic equation
in kinematic equation
Initial velocity
Three sections of trapezoidal velocity-time graph
Three sections of trapezoidal velocity-time graph
Two triangles and one rectangle